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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 op8lec .g)qizc 1en and the film is exposed in a camera is dete8icz)el.gqc 1rmined by 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 film in a camera is determined f*r q1nn90; 5dc1 ebzopx1vw aby 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 reflex camera the lens;w f z*29hsckibrmuiv/- m l e00+e9d:cky3u z-film distance may be varied by sliding the lens forward or backward witkd/c ilwr :+3-zh e2b0msfmz09 ;icky evu* 9uh 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 y cs*drd6p mp/ 7vsgtjw6n)dot-.+b3 approxima b)jndr y3vdw6spop d7g* mt6s- tc+./tely to that of 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 magnify imadmsb2uy 0i6a rso/ y::ges 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 covers the film with a wider field of view than t 2bo .x-hi:f,eo apx,jhat of the eye and through which obj2xe-,io ajxf.bp, ho: ects appear smaller 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 ways is a cam4:k*s++he mexhl y*qza9r mo;era 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 *l*hw+3fb-/5i xttsedq y ;tuz,zk 2ethe eye occurs 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 objects cle-ci qgm5n xri,u1d5bzi b13)n arly 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 at which an eye can se6nk ia6ufs:i8 e 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, thn m8 sxhjyo/9y2hgm /0uyy /)se person is likely to su y) 0/xy oygjmss/mn2 h/8y9huffer from

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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 wvei*nwf9h)m 8hp.hsp) 6z xp;5 )yfz with

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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, th,lbgc 4s--gag is gives rise to a vision defect that can be corr4s,bc g-l-gg aected 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 front to back, the person is li()p)g9-vl(1qex u etc h7yhc dkely to suffer f1 dv(lc)thhg 7)ye9 qxc pe(-urom

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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 corrected wit+vl0 ; jc2r- sf; cup. cmymhmqt.d z(pkd*f1(h

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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 from f/oi l79,kul soc(adr4amihg)p;fkvd h 452 i6ront to back, this gives rise to a vision defect that can be)mk67dhk4g,iai u9 lf;dr/lvp (io2sca h5 4o 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 macwo ayh pe:; n3n-3d4dgnifying 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 diameter objective in an as/qni9lu ko,8) vzra(ktronomical te ,vrl/nzo kkqua98i)(lescope 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 refraph-8kpzbc/s y -g**uu cting telescope. Suppose an opaque screen is placed z*h u s--pk/pbycug8*in front of the lower half of the objective 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 hasy:oze5b i,b )ryyy2.t uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is e,.ory)yz tbi5: y2yb 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 telescope has a magnificotgy0p 8 i7rm1q :sv3dation $m$. 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 be abapers2 -w cr*jyb030zle to see the greatest detail when using a microscac-s b 2ez0r0 r3p*yjwope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer t67z d jypt;vuy4g:t*from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe2k1xgo :i2mkola (qr*gy2ulhp:2/ 3woae5npr 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 yb jd;)g li .+cy37xymmicroscope refers to the ability 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 is doubled, what happens to its resosauz e w-+.+m e2hcu1ilving power assuming that all other factors remain unchanged? Itseua+c.-21z+ m sihue w 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 has a far point of/a ;fon/ncs(lx4d2 jq ou6ef4 18 cm. What lens (in diopters) will allow t/ecl o ;nq2x j(d4ouf4na/sf6his person 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 clefyoewx*82v8 sarly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.02evoyw8xf* 8 s0 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 whos)v*s dl (scc6ie lenses have power of -0.15 D. What is the person's far point if the glasses are vel)6cs *(ivc sdry 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 to correce ajwh 0fmk(lwujs02i22i 2z5k; f /lut for farsightedness where the uncorrected near point if2u ke2 iw;kh0/ zu(w2fmj52slila 0 js 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 farsighted pe 4m;kua1ve08nots.ir(ky 6bla7 thf 1rson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. Waklsvo(t 611 7t.0kayf mr;u bi h8en4hat 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 r/(j)px8mx2 ,w k4; paoxk vlleead a newspaper held 25 cm from his eyes, if he wears glasses plme4 lkwja (8o2/p;vk) xxx,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 a focal length of 10 cm. A pez s.2yq.u bxkcy b( n0ex23s9brson has a near point of 25 c2n.e9 qb x.ykb z0cub2sys(3xm. What is the magnification of the lens 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 near poinq 5lm6:cvkcs 7gv jb5-t of 25 cm. What is the magnification of the lens for that person when thei c l7 qjmsvgkcb655v-:r 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. What is the magnification /gki hr7/;a wij6 zjw2if the/wii rgjjzakwh27/; 6 image 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 converging lens of focal length 5.0 cm as ag/a/hah: unoz7q6 )b9 tk g:4icieb)a magnifying glass. What is the maximum possible mah ugahge/q:)i7a/n6o zack9b ) t4i: bgnification?

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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 converging lens of focal length 5.0 cm as a magn4hp*qrzh 87.vk+d * /hsb da i5qhcjj5ifying glass. What is the magn b*+5dq*kh p/4v57qs hhahij.zj8cr dification if the person's eye 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 l+ 9j mf)7aktlsenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of +kf stma7l 9j)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 lengths 2.q sh( ,)hrcu+h0 cm, 4.0 cm, 8.0 cm, and 16 cm. If yo )+ h,h(rhqscuu were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescope?

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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 len )n/uh9br0w3owk+nq ygth of 200 cm and its eyepiece has a un0 ry wqwo/39b)+nhkfocal length 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 astronomics -ix+tj4m-m tzn lbt4 6r.67lhlc( gjal telescope with a magnification of 10. If the telescope has a converging rl6bxni t(l44stmjg +67mch. jzt-l -lens of focal length 50 cm, what is the focal length of the 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/w,msa+mxn8 p 10. If the telescope has a converging lens of focal length 50 cm, ws/ mm, p+a8nwxhat is the 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 limitk,s -l3 w93mtzj.hs fced to a length ocjf3 .zm9h klw-s s,3tf 20 cm, what is the approximate focal 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 objective lens of /-n0, puevcom4,qhqu 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 fauq4- c0, vpou /,qmnher 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 lens of focal leam ,r uckw+0c*ngth 1.4 mm and an eyepiece of focal length 20 mm, a,ca0 m* rkc+uwdjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What 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 lengfv/f jq2jvw(og7w2x 0n bq4r x1vg,d 4th of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by421ngv2/qg bf0dfqvj wv x4j,r7wx o( 40.0 cm, what 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 bju d5v19r) nquocj,j3nv:i;k arrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to giku 5r3jo)i9;jn, : jvdnvq c1uve 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 constellatii8dtww (un0. zo(v 6 yef6xq8 :eoftn3on Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the ovywn6(tt(0doewf3u ifn6zx8.8 eq: smallest aperture (diameter) telescope that can just resolve the two stars?

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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 3 0ntk dcdy84rwhich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used icny r 3d0t84kds 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 frombfabrjy8u7 8 2 a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of re8y rjb2 bf78ausolution 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 Telescope has been placed intox/ri10 n+j pr8c9cz lqu;pt+ k Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengthkl; c/+ix zu rpt+np8jr10qc 9 is 500 nm?

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