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习题练习:Physics Unit25: Optical Instruments

 作者: admin 发布日期: 2023-05-01 10:00   总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shutter is open and ;xc0rr; o.cia the film is exposed in a camera is determined b cco ;0x.irar;y the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the f (ov //pb0t3gshyt-kailm in a camera is determined by the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens refqhaexjbi39c/ 9 zm)(ulex camera the lens-film distance may be varied by sliding the lens forwaue(h)m3/q ai9cx j 9zbrd or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film with a field of view that corresponds a kq2l6a:j7 bhzka vs v-58j6aapproximately to that a5zhk6v7jjk v :2- bs86lqaaaof normal vision is referred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to 9d*ygl oj4)cm magnify images is referred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that cover f bjb2pnka6- (fbk9f5s the film with a wider field of view than that of the eye and through which objects appear smafknf b56fb k2 (-ap9jbller is referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following w* :um p l/y m+ny,z8gg0ofr9)psfz,vaays is a camera different from the human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light by the eye o;vjg -oxyu0h gd /:4exccurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an eye can see object(: ca hfy+myf 9h5db:dt8m/fms clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance ab s.o8 cib*wtwg:5i8bt which an eye can see objects clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front to back, the person is7k+pxynm 0ay - likely to suffer fro 0-ym+pn7kxa ym

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually be corrected withke: )zw d; s1k ex(w./(bhsktk

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too long from front to back, this gives risexi3;ns yqyu80l-w/t w- y)sun to a vision defect that can be corre8quly/wy )n -uy0;s-n siwt3xcted by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too short from fron qhoo8 y8 p.;oum9f-d .-w/veptm2a/akih 8kyt to back, the person is likely to suffer fwai m-9uke- o/.h88kmp.oh2 /8dvta q pyyof;rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be correcteoz.f6)v ic.5 32uoulj4m dinud with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too short n3*agu:t6 rj7mcf jg-from front to back, this gives rise to a vision defect that c:g nc-3jj*7agf m6t ruan be corrected by using

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifyine19ivjb.a ixg.vtzt 28;8r rgg glass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a very large dg: *a51c+dpwlv:pj fiiameter objective in an astronomical tv *:f5: jglapw1+dic pelescope is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refracting telescope. Suppose an vcryy9n 5d+0or(w o-p:gept ;opaque screen is placed in front of the lower half of the objectivey;p o: wv9d 50y+(rgnorp-ect lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensitivity throughout the visible spibnv3)kwwl g0fg 0o+9ectrum, in which of the following cases would you be able to best distinguish between two closely spacebow0 v)klwgg n0f3+ 9id stars? (The lens referred to is the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescox3uk2 1oxo8tr6nqk / dpe has a magnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light would you expect to besqrsl a36:l wo6bfs(z3 4bxd 8 able to see the greatest detail when using afos 3(w :s6z8brax3ls q46 dlb microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff/s;r-okwe1gmjhu ri,d(w9p; er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffq2.uc :j /qe3a 7ntbjper from

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope refers to the ap h0n-gv9np5 fbility to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a radar dish i;iujpe( a : 7yn5mmop-s doubled, what happens to its resolving power assum7m5:(;eumny i jpao p-ing that all other factors remain unchanged? Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person ha m38j(v4,+(u/ufq s kaw.p esuky;wtbs a far point of 18 cm. What lens (in diopters) will allow this persast(spw3 /y( uk fk;4+ebjvmq,uw.8uon to see distant objects clearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects more than 70.0 cm away. What poc*5 n/hixxdn f++ vwtf/a +m:rwer of lens should be presiacm5 +x+:vr/+nxfd whtfn*/cribed if the glass is to be worn 1.00 cm in front of the eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses wh;dupj*.5.64vdl3ief ymko 9w.xdq wbose lenses have power of -0.15 D. What is the person's far point if the glasseslf6d3 .vk.j.u5i* bwmdyox 4;dq 9pwe are very close to the eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed tod;3 k odeb1q46dx; jvm correct for farsightedness where the uncorrected near point is;;mex4 6q vj3bddod1k 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsighteu3gb xl2x*vnq g3a)s*qs pto.b 5,s4od person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a news3x,uobs2qas*q)tgn sv4g3 *xpo5 l .b paper at a distance of 25 cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can reqnzcd)r 8 6o1tad a newspaper held 25 cm from his eyes, if he wears glnz)1ocr q td86asses of
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has xbqgq*f, b*q -a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens -g,x*bqb q*qf for that person when their eyes are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a nearle 6mdm;lb+++u3nn i e point of 25 cm. What is the magnification of the lens for that personn6imm+ld;b e e++l3nu when their eyes are focused at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal length of 7.0 cm. Wh /8whe fmocu*2 l6y1anat is the magnification if the i1la 28w*cn/6hf my euomage is viewed by a relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converginxhbsu4+c w i/9g lens of focal length 5.0 cm as a magnifying glass. What is the maximwcb sh+9 4ix/uum possible magnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a convz ;/.h3pk zcahksq3s2erging lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's ey/ah2 zkkh p.q;cz3s3se is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.p ;p9hd*pra7u 0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two 7p; 9*hu prapdof these lenses to build a telescope, what is the maximum magnification you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal 8 f)bl(gn*b)tf5em:po gs 0wwlengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification t et:)gn)bpgm5swo *lb w (f0f8elescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal lengcjrnu5zyt+) zptsc,n*+( xi .th of 200 cm and its eyepiece has a focal lengthnp(.xui t,n )+*5syczc jrz +t of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification of 1o0c ;ukcf8c )tk1vmqo l d23)a0. If the telescope has a converging lens of focal length 50 cm, what is the focal length of )fm v;12 cck)8ak0loq uc3tdothe eyepiece?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification of 10/gjy ehu7rl;v2gog8,gd2 4 ef . If the telescope has a converging lens of focal length 50 cm, what is the y4u 8g;re7gj g/evfd2lg2,oh resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescope. If the telescope is limb 0.+(5b eieevhn vbdx cs5*i9ited to a length of 20 cm, what is the approximate nc esid+x 5v eb*ihbe.b(90 v5focal length of the objective?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objec)f,w vqhuh s4a6hwc8*z5t sh,tive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How fat 6wh ha,)qw *hhsfu 8z,4cs5vr apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lenl)d/ q -w8fvb)s1g j owi 7t*,cng;ijss of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Wh/7jj - wtgi8cbi,go s)*1;svn wq lf)dat is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal length of 3.00 mm and an e jo2m), zvp6hlyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, ,lh m) o2zpvj6what is the total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barrel and /:kr4qh tdl)tan objective with a focal length of 8.0 mm. What is the focal length of thtd/ kqlt r)4:he eyepiece to give a total magnification of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constellation Orion has an angular separa-/jl2yy)3c wav jj z2vtion of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two star j)/j2l3vwvj z2ay -ycs?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects whbkk/l wmhw q., q+5( mfvyev1(ich are 0.010 mm apart. If the focal length of the objective is 4.0 cmelk/fwq.( m b qv(1k+hw5ym,v and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye changes from a diameterw+p:taydl +0l dx,q) z of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mizxp,tl)aqwd+: 0l+dynimum angle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescqi7*paui:8-rq0 a yw lope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve8ur 0lqaiya: - i7*qwp if the wavelength is 500 nm?

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