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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 the film is exposehf 38ezbf n7*k6f eq*gd in a camera is dete ghz* b7nef 86fke3qf*rmined 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 dete5yaldr:yz-cb5xp:g7v ; 7q nysbyj..rmined 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 reflex camera the lens-film distance may gn e/xp m*9a 3)/z2(zppalyde*x m jo y3::qflbe varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzqe*3l* 39:mpy fnl: (x pz)a/agj/ 2edoyxpmzy 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 wi o9 xwg z(pd9*mx,5s/jygfn :eth a field of view that corresponds approximately y9zesg,w*/:9opx(5dm fn jxgto 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 tezxpvky lyp (3mo+2y40lescope to 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 co7j. shq 6f5c hrcdf34svers the film with a wider field of view than that of the eye and through which objects appear smaller i4d75hs63fcjcrf h.qs s 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 iu2mk7eikaj: 3p hp)6ls 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 lien* lmhkc,eh /gvy65k d b,g2:ght by the 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 sx+/47:zjk+wmuvq m+l seez c )ee objects 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 at which an eye can see objects c,c3du nez-.n6n rp2ae+s. feglearly 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 26 e02aq/dclb.kp bj l qjn1z*long from front to back, the person is likely to suffer frj j6bc. q k bdn/lp*l0z212eaqom

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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 co9id2rqmuhn85 b 94ptvrrected 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, ygl 4rl.uk9 )tthis gives rise to a vision defect thayr.49k lu )tlgt can be corrected 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 lp0 rfdy08 p:otikely to sufpyd :0fpr8to0fer from

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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 coab /uu0-jr)cdrrected 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 from front to back, this gives ris, +ihmfvar(y yjs00e8c2,ukxe to a vision defect that can be correct, +2rj0c08 hxi,eysa( yvmkufed 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 magnis;aj8,am jx6h fying 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 astronomic;g joqw k l(o1p0u7kd+al telw(; qood7kpl+j0gu1kescope 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. Suppozy jy8z- ,*yyx (ymzv7se an opaque screen is placed in front of the lower half of the objective lens. What effec*zyjm y x8yzz7-y(v ,yt 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 throughoutvv,76gbse5mk x)p w-s the visible spectrum, in which of the foll657x,pesw m)sv- vbk gowing cases would you be able to best distinguish between two closely spaced 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 telescopc; 9+ wnthyh nd00l0hke 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 y3h6 s/;jwkk: w8t k: 4urzsulsou expect to be able to see the greatest detail when using aws4 hss8k t3:zklu ;j:rk6wu/ microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f -q s:q9r+ x,5zfldtgyrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro*v tlwe/no34 -hi(wzom

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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 ab,i7 i-iff,qq 3zdyp 8sility 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 2ucfy0 rc5er pbl) d4;doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving po4rpleuy;b rc05)fcd 2 wer

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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 p9 wsy6qu 55ztzg.zdnj h0/-etm 59lepoint of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly9zge6lmsd.t05 ynej pu h9z-zw/5t5q?

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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 objectkd8j,/a)o q wss more than 70.0 cm away. What power of lens should be prescribed if the g ao) 8,j/qdskwlass 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 whose lenses have power of -0.15;:q jkv3t2)emsqhvyemun 0,5 ea. 1mb D. What is the person's far point if the glasses are very close to theakvm unq5)y e 3hbs , 1j;ve.qm:02etm 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 correct for farsigsx.mnb/84 0 dezv*l 5bd 3xgobhtedness where the uncorrected near ps.xv3 blenbm8xbo 54dz* 0/gdoint is 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 person is 100 cm. She plac r6d /c7a,yrztes reading glasses close to her eyes, and with them rdy 6aczt7,r/ she can comfortably read a newspaper 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 read a newspaper held 25 cm from his eyes, if hryf1 5ea -a8* nyum9k;dnygx -e wears glasses o1un 5 9ykrd--yagem x*n ay;8ff
+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 lengtdej9 xfr/jc( 1h of 10 cm. A person has a near point of 25 cm. What is the magnific9jdfe( xj 1/rcation 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 lenfkq n;2fr)v4 rgth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens forrffn 4 v);2kqr that person 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 7.0pbaa a3,tkh- (8lol j5 cm. What is the magnification if the image is va5 ap,lla8kjt(b3 ho -iewed 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 n u0c5 ;w.g/ge enpj b9g/is-wlc)255avmuii lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magni)9bc5i/enmia5ug g ;cel 0-p u2w/gwv.jsni5fication?

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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 5h mj,f;kjmo* (.0 cm as a magnifying glass. What is the magnification if the person's k,;m(*mohjj f 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 lensezsy/rd0da ln0qyfpgq .t): -,-j1d5ttyb.k es of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of thesb tt0qy/ydf )zlq1ddpnyse-ja5kt-,g:0 ..r e 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 2.0 cm, )x:e* nimyh,d4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to b:eyn * xmdi)h,uild 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 telescopi fp+f8c)kph; e has a focal length of 200 cm and its eyepiece has a focal le+)fi8pkp ch f;ngth 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 magnificat.1elm 8rsu6;(havxjcw: nlc+ion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?x 1shcc( :r;.+lje8nw luva6m

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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 teleo2yelig 783jt scope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is theo8te7jy3 lg2i 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 telescope2,c hfbzq q whm8kx9pq9 o4jrt,.6k5i is limited to a length of 20 cm, what is thq .cqr 8x5b9z opftw9hk6 mq,k, 4hji2e 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 fochh)yq k45xfdg ng c;x093v5fjal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestra;xfcv hq43 g05ydjf x hnkg)95in. A blood sample is placed 1.5 mm from the objective. How far 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 length 1.4 uv6q2whm -:eqmm and an eyepiece of focal length 20 mm, adjusted for minm qqh62uve: -wimum 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 hawjnwuznhepqv:23 j(stu*+4b 4isr ),s an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lensvn2w( *jqwjsuret4pz )s4 3i, b+: uhnes are separated by 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 bafu* 6lul+r,c ajtn7l* jg4zk,rrel and an objective with a focal length ofjtgzf *c6u,* krj+nll4,la u7 8.0 mm. What is the focal length of the 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 ;p;s4w(1u2 n1kzv *onq gniav in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope t1iz2qnugao4; v pnns *vw; k1(hat 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 designeunk4 oc9z ,aqo;zbpr .q65 1 ga:xbe1wd to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 n xc6,qa:rq pg1oa;beo9zu .kzw 4b1n5m, 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 ::uti- grjir;::nrpychanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of ru:;yj r:tgi:- : rnpiresolution 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 into Earth orbi cs6mo jw.jn76t by the space shuttle. What angular resolution could this telescope achieve if6.jsonmjw7 c6 the wavelength is 500 nm?

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