Physics Unit24: Wave Nature of Light - 无忧得胜-网上国际课程 (5edu.win)

1#

State Huygen's principl3;c e: tr4xw*e pj:v+*avx dqje.

该题自我估分: (必填) (满分:1.0分)

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following i-yxdm; yyq32a 0 fzo.ys a false statement?

A. All points on a given wave front have the same phase.

B. Rays are always perpendicular to wave fronts.

C. All wave fronts have the same amplitude.

D. The spacing between adjacent wave fronts is one-half wavelength.

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The wave theory of light is attributed toj6y;vt/qctp4m ms ysg4)3v v 6

A. Christian Huygens.

B. Isaac Newton.

C. Max Planck.

D. Albert Einstein.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The particle theory of light is attributed ic-22mh 1rd plto

A. Christian Huygens.

B. Isaac Newton.

C. Max Planck.

D. Albert Einstein.

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a light wave enters into a medium of differe,+q9t hzck(r c sxz8bz8v))wrdf27ol nt optical density,

A. its speed and frequency change.

B. its speed and wavelength change.

C. its frequency and wavelength change.

D. its speed, frequency, and wavelength change.

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light (wavelength = 590 nm), originw02e/gew 1nn lally traveling in air, enters a piece of glass (index of refraction 1.50), its frequee0n gwnl1 2w/ency

A. increases by a factor of 1.50.

B. is reduced to 2/3 its original value.

C. is unaffected.

D. none of the given answers

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light (wavelength = 590 nm), originallyyh3/ 5azbehmt .d8 xz7 traveling in air, enters a piece of glass (index of 8.7d hz3yt ambex5h/zrefraction 1.50), its wavelength

A. increases by a factor of 1.50.

B. is reduced to 2/3 its original value.

C. is unaffected.

D. none of the given answers

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for light spreading mb);p(h 2dr 4duyai ny:lpj jy5o4;1 fas it passes through a narrow slit?44j )mhpy;;bdu2rfo:1lp i (yj nyad5

A. refraction

B. polarization

C. diffraction

D. interference

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Radio waves are diffracted by large objecpqhp*o+ i 1v.qts such as buildings, whereas light is not noticeably diffp.1h*oi vpq+ qracted. Why is this?

A. Radio waves are unpolarized, whereas light is plane polarized.

B. The wavelength of light is much smaller than the wavelength of radio waves.

C. The wavelength of light is much greater than the wavelength of radio waves.

D. Radio waves are coherent and light is usually not coherent.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for alternating light and dark /8z yv,vcj(x pbands when light passes through two orv xj/(vy8p c,z more narrow slits?

A. refraction

B. polarization

C. dispersion

D. interference

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two light sources are said to be coh,lv 7se pd*s:herent if they

A. are of the same frequency.

B. are of the same frequency, and maintain a constant phase difference.

C. are of the same amplitude, and maintain a constant phase difference.

D. are of the same frequency and amplitude.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What do we mean when we say that two lzetd9m 1.ts 5oight rays striking a screen are in phase with.ote m5z ts9d1 each other?

A. When the electric field due to one is a maximum, the electric field due to the other is also a maximum, and this relation is maintained as time passes.

B. They are traveling at the same speed.

C. They have the same wavelength.

D. They alternately reinforce and cancel each other.

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel different paths arriving at pointsbl(v*r) ,cqlnj 3q,r P. If the maximum constructive interference is to occur at point P, the two beams mustb, v,q*jq (l rsn3lrc)

A. travel paths that differ by a whole number of wavelengths.

B. travel paths that differ by an odd number of half-wavelengths.

C. travel paths that differ by a whole number of quarter-wavelengths.

D. can not be determined.

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two beams of coherent light travel different paths ars8ir8( y6;fqug7evwx 6n ly0sriving at point P. If the maximum destructive intexnw7q fev8 6yi0 ;s8 (rugs6lyrference is to occur at point P, the two beams must

A. travel paths that differ by a whole number of wavelengths.

B. travel paths that differ by an odd number of half-wavelengths.

C. travel paths that differ by a whole number of quarter-wavelengths.

D. can not be determined.

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the first maxima on either side of the centr(,s2rckc0 y hsal bright spot in a double-slit experiment, light from each h(0kcs csr ,y2opening arrives

A. in phase.

B. $90^{\circ}$ out of phase.

C. $180^{\circ}$ out of phase.

D. none of the given answers

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the first minima on either side of the centraf0g6-8cl 9v)u yjtr z*gnc 2fal bright spot in a double-slit experiment, light from each opejz n 62yct-fva8cu * l)gfrg90ning arrives

A. in phase.

B. $90^{\circ}$ out of phase.

C. $180^{\circ}$ out of phase.

D. none of the given answers

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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

At the second maxima on either side of the central brigh t e dv0bjjan-8wc 9,patif3)9t spot in a double-slit experiment, lig 3b9 jcfv8it90a w t)-e,jnadpht from

A. each opening travels the same distance.

B. one opening travels twice as far as light from the other opening.

C. one opening travels one wavelength of light farther than light from the other opening.

D. one opening travels two wavelengths of light farther than light from the other opening.

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a Young's double slit experiment, if the separation betweeynqwag,1;glo5 c 1c;z0 8zlo oxnx//gn the slits decreases, what happens to the distance between the interference frin ,lgynnx5lc1go/;z8/ q z1 0cxwaoog;ges?

A. It decreases.

B. It increases.

C. It remains the same.

D. There is not enough information to determine.

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19#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a double-slit experiment, it:bte cmcxgk4,zo qu( qjv+79 qf 1i1m- is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when thevg mb jt 1ck:oc(mez 1q4,79f-xi+quq slit separation is cut in half?

A. It increases to 2.0 cm.

B. It increases to 4.0 cm.

C. It decreases to 0.50 cm.

D. It decreases to 0.25 cm.

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20#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

One beam of coherent light b;um-(luj 6uy.x, pbt travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

A. an odd number of half-wavelengths.

B. zero.

C. a whole number of wavelengths.

D. a whole number of half-wavelengths.

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21#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

If a wave from one slit of a Young's double slit 7dp+ik(+ gx girz8,km experiment arrives at a point on the screen one-half wavelength behind the wave from the other slitdigk++mp ki, 8 zgxr7(, which is observed at that point?

A. bright fringe

B. dark fringe

C. gray fringe

D. multi-colored fringe

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22#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Why would it be impossible to obtain interference fringes299l/57rjp8o d0zipp0 co xglmox8ub in a double-slit experiment if the separation of the slits is less than the wa0od mub pl9c09 or 7p /8zpli8xj52oxgvelength of the light used?

A. The very narrow slits required would generate many different wavelengths, thereby washing out the interference pattern.

B. The two slits would not emit coherent light.

C. The fringes would be too close together.

D. In no direction could a path difference as large as one wavelength be obtained, and this is needed if a bright fringe, in addition to the central fringe, is to be observed.

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23#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The separation between adjac j e u 5*pigk.vma5df53w+n:j6oq/jlyent maxima in a double-slit interference pattern using monochromatig.6m55uqvao /l+pij5ywe n fjkj3:d*c light is

A. greatest for red light.

B. greatest for green light.

C. greatest for blue light.

D. the same for all colors of light.

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24#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The principle which explains why a prism separateszgk.ce/h 1)l m white light into different colo)hzkgl.e 1c m/rs is

A. refraction.

B. polarization.

C. dispersion.

D. total internal reflection.

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25#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The principle which allows a rain2y.b r+q u ;yxai/wt;nbow to form is

A. refraction.

B. polarization.

C. dispersion.

D. total internal reflection.

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26#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

White light is

A. light of wavelength 550 nm, in the middle of the visible spectrum.

B. a mixture of all frequencies.

C. a mixture of red, green, and blue light.

D. the term used to describe very bright light.

E. the opposite (or complementary color) of black light.

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27#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light with wavelength slightly shorter t qj ltmay9..wttlkv +3*5 3smlhan 400 nm is called

A. ultraviolet light.

B. visible light.

C. infrared light.

D. none of the given answers

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28#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light with wavelength slightly longer than 750 nm is kf9u.lznd9ryn- 2cge ;1y(l ,3k mkso called

A. ultraviolet light.

B. visible light.

C. infrared light.

D. none of the given answers

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29#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the greatest refraction when passing from ogke knvh.i,yg5vrti- .u2287 b zyp+ air to gny.. o7gbzuiv pgit+- 28e v,k52 hrkylass?

A. red

B. yellow

C. green

D. violet

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30#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which color of light undergoes the smallest refra4btg7 oc*hau/ ction when passing from air to *7ochu/ga4 b tglass?

A. red

B. yellow

C. green

D. violet

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31#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of white light is incident on a th zj o4axdkentt. 91*3ez 4u,kv, *ajhdick glass plate with parallel sides, at an angltkk,j3aaddv.t*1 n eh ez*,j 9u4oxz4 e between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

A. red

B. green

C. violet

D. None of the given: all colors emerge at the same time.

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32#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A person gazes at a ve9n hmqh u.cwbb6-,hhg6 *+ke nry distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will s6wmebhk ,-chh nu nqh+ 6g9*.bee

A. the same thing as without the fingers, but dimmer.

B. a series of bright spots.

C. a sequence of closely spaced bright lines.

D. a hazy band of light varying from red at one side to blue or violet at the other.

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33#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a single slit diffraction experiment, if the width of c0hv o.zfzsr83 rh *vqd/n2*uthe slit increases, what harrd*qn os hv/320zvfz*8 u.hcppens to the width of the central maximum on a screen?

A. It increases.

B. It decreases.

C. It remains the same.

D. There is not enough information to determine.

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34#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Consider two diffraction gratingzi : etsfy *s,oohk9rl);fb5gjx(y*/ s; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersbf,z*h s5 )f9;to/x:esj (y k ogily*rion of the two gratings.

A. The 4000-line grating produces the greater dispersion.

B. The 6000-line grating produces the greater dispersion.

C. Both gratings produce the same dispersion, but the orders are sharper for the 4000-line grating.

D. Both gratings produce the same dispersion, but the orders are sharper for the 6000-line grating.

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35#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Consider two diffraction gratings vpkehs*x42ode e3dzf)4ndky;;y 6g+with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between thegz;of 4*dep nd2)4vexdh6e+ys3 ;kky orders.

A. The grating with 3 slits produces the greater separation between orders.

B. The grating with 4 slits produces the greater separation between orders.

C. Both gratings produce the same separation between orders.

D. Both gratings produce the same separation between orders, but the orders are better defined with the 4-slit grating.

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36#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The colors on an oil slick are caused:: k ltu+xio1d by reflection and

A. diffraction.

B. interference.

C. refraction.

D. polarization.

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37#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

We have seen that two monochromatic light waves can interfere co nx++ fpb8tvvk-v25am,. pao jm:y/ugnstructively or destructively, depending on their phag 5xb,+puvj vny/vk+2-aotp mafm:.8se difference. One consequence of this phenomenon is

A. the colors you see when white light is reflected from a soap bubble.

B. the appearance of a mirage in the desert.

C. a rainbow.

D. the way in which Polaroid sunglasses work.

E. the formation of an image by a converging lens, such as the lens in your eye.

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38#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light, which is traveling in gqa)s8lv)y( ihlass, strikes an air boundary, there )as(qi 8ylv )his

A. a $90^{\circ}$ phase change in the reflected beam.

B. no phase change in the reflected beam.

C. a $180^{\circ}$ phase change in the reflected beam.

D. a $45^{\circ}$ phase change in the reflected beam.

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39#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a beam of light, which is traveling in air, is reflected by a glass surc3rp it2 6dq6uface,3 qcpu 26dt6ri there is

A. a $90^{\circ}$ phase change in the reflected beam.

B. no phase change in the reflected beam.

C. a $180^{\circ}$ phase change in the reflected beam.

D. a $45^{\circ}$ phase change in the reflected beam.

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40#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A soap film is being viewed in whif ; te*we: 6,ik p(vpovqd;p(hci.w(1juy h*jte light. As the film becomes very much thinner than the wavhqvy*iep dpe1fowup;h k( .w:(* i(6 jcvtj ;,elength of blue light, the film

A. appears totally transparent because it reflects no visible light.

B. appears white because it reflects all wavelengths of visible light.

C. appears blue since all other colors are transmitted.

D. appears red since all other colors are transmitted.

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41#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In terms of the wavelength of light in magnesiuduvm/i.5 ,bioukk *u+nm8d , ym fluoride, what is the minimum thickness of magnesium fluoride coating that must be appli ,oi k mnbuv5y,uk.8 udmd/*+ied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

A. one-fourth wavelength

B. one-half wavelength

C. one wavelength

D. There is no minimum thickness.

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42#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A convex lens is placed on a flat e4te69 l4psh; rh;ipz glass plate and illuminated from above with monochromatic red light. When viewed;hil6ze;epp r9h44t s from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

A. a bright red spot

B. a dark spot

C. a rainbow of color

D. a bright spot that is some color other than red

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43#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What principle is responsible for the r3be,giq1du,j( v6kj+t; pw:t xf,oy fact that certain sunglasses can reduce glare from reflected surface,f,+duj1wtx ;rq:ipyejg obk 6 t,3v(s?

A. refraction

B. polarization

C. diffraction

D. total internal reflection

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44#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

For a beam of light, the direction of polarization is definzywk) y) +)r)8mqqpvfx(kq-ved as

A. the beam's direction of travel.

B. the direction of the electric field's vibration.

C. the direction of the magnetic field's vibration.

D. the direction that is mutually perpendicular to the electric and magnetic field vectors.

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45#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the process to obtain polarized light in a dichroic m0;t /+ s*fld; 60 kluj/kav /mgkownfla1u ff6aterial like a Polaroi0uvdl s /jl/km / u6olga*;k6fkft0fawf+n1; d film?

A. reflection

B. refraction

C. selective absorption

D. scattering

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46#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When the transmission axes of two juspw2y )ubcj(qeu8 8ov6+1c Polaroid films are perpendicular to each other, whu e6q8wbs( p2jvoc 8cuy)j1+uat is the percentage of the incident light which will pass the two films?

A. 0%

B. 25%

C. 50%

D. 75%

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47#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Sunlight reflected from the surface of fxdzdq :o xxd78-i)t1 a lake

A. is unpolarized.

B. tends to be polarized with its electric field vector parallel to the surface of the lake.

C. tends to be polarized with its electric field vector perpendicular to the surface of the lake.

D. has undergone refraction by the surface of the lake.

E. none of the given answers

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48#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The polarization of 1 ff+y ,s-kj7t1l hwtksunlight is greatest at

A. sunrise.

B. sunset.

C. both sunrise and sunset.

D. midday.

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49#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In which of the followiuqfay w3c58 kvn hlfahfn0b-/*2-+ueng is diffraction NOT exhibited?

A. viewing a light source through a small pinhole

B. examining a crystal by X-rays

C. using a microscope under maximum magnification

D. resolving two nearby stars with a telescope

E. determining the direction of polarization with a birefringent crystal

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50#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

On a clear day, the sky appears to be 6m 6p ndr3g *v60tqkvemore blue toward the zenith (overhead) than it does toward the horizo36n60 qvr*emv pk gd6tn. This occurs because

A. the atmosphere is denser higher up than it is at the Earth's surface.

B. the temperature of the upper atmosphere is higher than it is at the Earth's surface.

C. the sunlight travels over a longer path at the horizon, resulting in more scattering.

D. none of the given answers

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51#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

A. $5.0 \times 10^{14} \; Hz$

B. $7.5 \times 10^{14} \; Hz$

C. $3.3 \times 10^{14} \; Hz$

D. none of the given answers

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52#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength of 600 nm y ; ia8q8hw2ne :c/)m np4xqzbin a vacuum. It passes into glass, which has anp yeq2c :/wa;bqn8xi8)nzm h4 index of refraction of 1.50. What is the wavelength of the light in the glass?

A. $600 \; nm$

B. $500 \; nm$

C. $400 \; nm$

D. $300 \; nm$

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53#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has wavelength 600 nm in ab(la*m nuw01vp .dwy- vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light ibnuv lm pwy0.-w(ad*1 nside the glass?

A. $3.3 \times 10^{14} \; Hz$

B. $5.0 \times 10^{14} \; Hz$

C. $3.3 \times 10^{5} \; Hz$

D. $5.0 \times 10^{5} \; Hz$

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54#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light has a wavelength of 600 nm inpk5dckcrif a/*,d o () a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in tpckr*da,c5k)i/(fo d he glass?

A. $3.0 \times 10^{8} \; m/s$

B. $2.5 \times 10^{8} \; m/s$

C. $2.0 \times 10^{8} \; m/s$

D. $1.5 \times 10^{8} \; m/s$

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55#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 550 nm in05p2 o gtdavh+ vacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

A. 0.65

B. 1.53

C. 1.96

D. 5.50

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56#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 550 nm in air is found to travel atn.hkt*ef7 +moet/2 z 5 cxaj*k $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

A. $5.5 \times 10^{14} \; Hz$

B. $3.6 \times 10^{14} \; Hz$

C. $5.5 \times 10^{5} \; Hz$

D. $3.6 \times 10^{5} \; Hz$

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57#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 550 nm in air is found to travel9vm jr0+ov6a .v;dda e at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

A. $550 \; nm$

B. $359 \; nm$

C. $281 \; nm$

D. $303 \; nm$

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58#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two thin slits are 6.00 mm apart. Monochromati i;1tylgd9ud7c light falls on these slits, and produces a fi yd7i;t91u dlgfth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

A. $164 \; nm$

B. $416 \; nm$

C. $614 \; nm$

D. $641 \; nm$

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59#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 575cpj p *ijr dsaz:6cj9vu1qmv4 9n2*e6 nm falls on a double-slit and the third order bright fringe is96 p 9 uz6rvqij:c*2n*jjs mdc1a 4pve seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

A. $5.0 \; mm$

B. $10 \; mm$

C. $15 \; mm$

D. $20 \; mm$

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60#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a Young's double slit experiment, if the separation between the two slite/7p *zi9i0phe 7tg pfs is 0.050 mm and the distance from the slits to a screen/h pg9i*fpee pi07 t7z is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

A. $1.5 \; cm$

B. $3.0 \; cm$

C. $4.5 \; cm$

D. $6.0 \; cm$

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61#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a double-slit experiment, the se2t av4 heeqo/gjwk zohb *8k(* a02h0lit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance *vo h(k*8ba4t k2 ea oq0 h0ez/jewgh2from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

A. $1.5 \; mm$

B. $3.0 \; mm$

C. $4.5 \; mm$

D. $6.0 \; mm$

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62#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Two thin slits are 0.050 mm apart. Monochromatic light of wavelengtg-mg*y6) ob+b;2 wnx9b,b ira pujb 0kh 634 nm falls 0-b wk)br+ bnpoxbguam ij29yg*b ; 6,on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

A. $0.76 \; mm$

B. $7.6 \; mm$

C. $7.6 \; cm$

D. $76 \; cm$

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63#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A monochromatic light is incident on a eqj bd h(f9f:q am8pq6f(d1j w*5dju 1Young's double slit setup that has a slit separation( 1: qjfmjwf6(qd1ab*qe5dj d9ph f8u of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

A. $8.60 \; cm$

B. $7.35 \; cm$

C. $6.45 \; cm$

D. $4.30 \; cm$

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64#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A parallel light beam containing two wavelengths, 480 nm and 70gk u/4 36v-xq*puqdr p0 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determkpuq34d/g ru xpv6q*- ine the angle between the two beams in the glass.

A. $0.10^{\circ}$

B. $0.15^{\circ}$

C. $0.20^{\circ}$

D. $0.25^{\circ}$

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65#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A ray of light consisting of blue light (wavelength 480 nm) and red light (ij g;rxx9dr -1vo7xz 6wavelength 670 nm) is incident on a thick pieo6 rgzx7j 19vdrx-;ixce of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

A. $0.27^{\circ}$

B. $0.33^{\circ}$

C. $0.34^{\circ}$

D. $0.46^{\circ}$

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66#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

350 nm of light falls on a single bebu+hvc45pd,w /thjx8aa5s5 r3-w g slit of width 0.20 mm. What is the angular width of the central diffraction pea/,b5hgehw+ 3wt5p4 aubjad -8 srv5cxk?

A. $0.10^{\circ}$

B. $0.15^{\circ}$

C. $0.20^{\circ}$

D. $0.30^{\circ}$

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67#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A single slit, which is 0.050 mm w3.1 sao ec9-w k l1ywcjjlfh4(ide, is illuminated by light of 550 nm wavelength. What is the angular separatij ocaj1w4es1.3(kcwh- lly9f on between the first two minima on either side of the central maximum?

A. $0.36^{\circ}$

B. $0.47^{\circ}$

C. $0.54^{\circ}$

D. $0.63^{\circ}$

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68#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At i fd5ig;., hunh -/3kjcj *jwekw;m ejmw;:6fwhat distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to *kjwjf;icf g me -em6.;, wj w:/3;kihnuh5d jbe 1.7 mm from the center of the screen?

A. $0.39 \; m$

B. $0.93 \; m$

C. $1.1 \; m$

D. $1.9 \; m$

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69#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 610 nm is incident on a slit 0a9n6g0l(z 7o s vwvj).dkhqf,j2v: lr.20 mm wide and the diffraction patte d9)l:jvkw0gvq(rj6nsah2vfz ,o.7 lrn is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

A. $0.34 \; cm$

B. $0.68 \; cm$

C. $0.92 \; cm$

D. $1.2 \; cm$

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70#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm:nxec; 0wo bu,z7y8 oa is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m froyz n8o0 x,bo c:uw;e7am the slit. Find the position of the first order dark fringe from the center of the screen.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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71#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 580 nm is inciq5p hu:j, of *2*lgfyqdent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centquof ylf*2:q 5,*pghjral maximum.

A. $0.26 \; mm$

B. $1.9 \; mm$

C. $3.9 \; mm$

D. $7.7 \; mm$

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72#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When light illuminates a grating with 7000 lines per centiqp6tf(ju)s wt qe7+t t )h.7symeter, its second order maximum i 7jhutfqt7 e tt.p6yw(q)+)sss at $62.4^{\circ}$. What is the wavelength of the light?

A. $336 \; nm$

B. $363 \; nm$

C. $633 \; nm$

D. $752 \; nm$

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73#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating hu;qki2ox3f 6/sfucqj pg0m4:s+u: n ras 5000 lines per cm. The angle between the central maximum and the fourth order max jup3fgi 6k s:qn+;u/x:qcm s0r4u2ofimum is $47.2^{\circ}$. What is the wavelength of the light?

A. $138 \; nm$

B. $183 \; nm$

C. $367 \; nm$

D. $637 \; nm$

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74#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light is incident on a grating that is 75 mm wide and cdbdao4kr,1 m 0cdn3 ;ruled with 50,000 lines. The second-ordrmdcad4c;, k10do n3 ber maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

A. $202 \; nm$

B. $403 \; nm$

C. $605 \; nm$

D. $806 \; nm$

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75#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a diffraction experiment, light of 600 nm wavelengt(f0 lecrl wr;o7fe6)z h produces a first-order maximum 0.350 mm from the central mo)wr lff l;67rc e(e0zaximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

A. $479 \; nm$

B. $497 \; nm$

C. $749 \; nm$

D. $794 \; nm$

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76#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diffraction grating has 6000 lines per centimeter ruled(4) bhxb8u lvz;,gumx on it. What is the angular separation between the second and the third orders on the same side of the central l; xxb4 (gh)8uz,muvb order when the grating is illuminated with a beam of light of wavelength 550 nm?

A. $20.5^{\circ}$

B. $30.5^{\circ}$

C. $40.5^{\circ}$

D. $50.5^{\circ}$

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77#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

White light is spread out into spectral hues by a grating.hlxd8bxz8 :3d,z0ltxnp ;6fv If the grating has 2000 lines per centixvnbdxxlt38 p0z fld8zh:,;6 meter, at what angle will red light (640 nm) appear in the first order?

A. $3.57^{\circ}$

B. $7.35^{\circ}$

C. $11.2^{\circ}$

D. $13.4^{\circ}$

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78#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A He-Ne laser (632.8 nm) 5imypxnq: goy2+/ *ieis used to calibrate a grating. If the first-order maximum occu/*n yixe2 :yoq5pg+im rs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

A. $1.81 \; mm$

B. $2.20 \; mm$

C. $3.62 \; mm$

D. $4.52 \; mm$

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79#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wavelength 500 nm is incident normally oq.slj 9o*, vs1fstd i+n a grating. If the third-order maximum of the dlj. 1+*sqs, f9otvs idiffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

A. $0.93 \; mm$

B. $1.4 \; mm$

C. $2.8 \; mm$

D. $8.5 \; mm$

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80#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Monochromatic light of wavelength 500 nm is incident normally on a grating.+v1qwzhx. ,r a If the third-order maximum of the diffraction patternzhv+w x,1.arq is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

A. 5

B. 7

C. 10

D. 11

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81#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A glass plate 2.5 cm long is separated from anotgr9i95(dclgm zdyyhhu+ea8(g 0 +t+eher glass plate at one end by a strand of someone's hair (diametclm y (8 (u50tzy9ghddgr9 ag+e+e+hier 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

A. $0.25 \; mm$

B. $0.50 \; mm$

C. $0.75 \; mm$

D. $1.0 \; mm$

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82#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A soap bubble has an index of refraction of 1.33. What cof2ly m c75q6-.rpvno:sc-6 m+koohy + eat6minimum thickness of this bubble will ensure maximum reflectance of normally captc mryo. 6+2kholvs5-e +fn:oqc-67oym6incident 530 nm wavelength light?

A. $24.9 \; nm$

B. $99.6 \; nm$

C. $199 \; nm$

D. $398 \; nm$

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83#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is the 5qb2b 4v9yxhp0 ndo q7minimum thicknes75 q oqbnv 024hdbypx9s of film that will give an interference when the light is incident normally on it?

A. $24 \; nm$

B. $94 \; nm$

C. $188 \; nm$

D. $376 \; nm$

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84#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the minimum thl )5l wm/s kfb-+ihm rg3ke)6lickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for sml6+ rleglb35-k w)i/ hm)kf wavelength 500 nm?

A. $250 \; nm$

B. $192 \; nm$

C. $167 \; nm$

D. $96.2 \; nm$

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85#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

An ideal polarizer is placed in a beam of unpolarized light and tnj68p5q cn( sbhe intensity of the transmitted light is 1. A second ideal polarizerq(cbjn5 ps86n is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

A. 0.77

B. 0.64

C. 0.59

D. 0.41

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86#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A polarizer (with its preferred dirp .m+s ;cigafo*lbd87ra ur0;ection rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

A. 0.25.

B. 0.50.

C. 0.87.

D. 0.75.

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87#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of unpolarized light in air strikes a flat piece of glass at o r8nygfl3 :fwer+x1p90+wud an angle of wnrw rxu3ef1 0p9g++dlofy8 :$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

A. 1.50

B. 1.52

C. 1.54

D. 1.56

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88#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Unpolarized light is passed through az n3z4xxa/y:t polarizer-analyzer combination. The transmission axes of the polarizer and the analy3z4x xynz at/:zer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

A. 37.5%

B. 50%

C. 75%

D. 100%

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89#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

How far above the horizon is the Moon when its *n5a. zoxp(*2r giu xan3i(ciimage reflected in calm water is completely pii2.3 a(xiruxzoc*(pa *nng 5olarized?

A. $36.9^{\circ}$

B. $43.2^{\circ}$

C. $46.8^{\circ}$

D. $53.1^{\circ}$

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90#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A beam of light passes through a polarizer and tc1g ,ji5h w2kq-t z9sq(nq;xchen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the k g,tqw1(q jcniz9qs2- c5;xh intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

A. $18^{\circ}$

B. $22^{\circ}$

C. $68^{\circ}$

D. $72^{\circ}$

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91#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is the Brewster's angle for ligh 6n nnm)70k, m bdjt9wn1h(.xx0gr1gxv*yv ent traveling in vacuum and reflecting off a piece of glass of indeh*xr(nnd.)nx7n1 bkm0xjg1ymg 0 9tvwe,n6v x of refraction 1.48?

A. $31.9^{\circ}$

B. $39.8^{\circ}$

C. $45.3^{\circ}$

D. $56.0^{\circ}$

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