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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 shtuewp 10 dm8-hutter is open and the film is exposed in a camera is determined0p81umh dwte - 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 caml )6 bay7sqm-mera 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 reflex camera the lens-film s1dg6 ;o/l0u 95zwbrw xip sqoai 8-;vdistance may be varied by sliding the lens forward or backward with respeqo-1 gpiw svi s0a ld56b8xou;w9/rz;ct 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 ap17 6q1 xsv +oxm8wyzqpproximately to that ox ym86qx71v1w+ p ozqsf 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 actitnzis);mau upl-y4 )0em -6lhs02qj s like a telescope 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 csh el)3d:epkm6v,/y covers the film with a wider field of view than that of the eye and through which objects appear smaller is referredsmp l3k6v /ce :)edhy, 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 camera different bsb8u8 q v/1qbfrom 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 eypn u/l271z( pf * k3,vchvktwce 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 ey/x7m:+,; / stxjoub77v gvjywb pqh c2x0+s kxe can see 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 distanco 9efyczd5q pp5k7 )-ge at 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 badt9(xvpz* nd-3w;wrv;u v xw0 ck, the person is likely to suffe wv;vzd3p xrw9v-xu tdwn0; (*r 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 c qo gmn9-4*8gft jjey6orrected 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 frmu37tyv-tm:3uh fqvh iq53+wc 9c/fp)z hf8 kont to back, this gives rise to a vision defect that can be corrected by:tp8 hz3m ) mh vckhfu/fcyt5i -q+u7q9fv33 w 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 frowfe1xmm* r 9*/oo ap;ont to back, the person is likely to suffer froxp *1o*w r/ ;fomma9eom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually beyt2k6 h i :uk54firi7tlx 7jgk(d 6b*q:sq jm- corrected 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 toy ,vy6/e k03tlcron h8o short from front to back, this gives rise to a vision d/l38,ceyvt n 0y ro6khefect that can 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 mag ib9 /kzrpg, yfjb 0se9mr91)mnifying 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 very7hk:tdi6k/oz;c xwk 2 large diameter objective in an astronomical teles6h :kxt 2;czk wi/o7kdcope 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 opav i.yfu.m )valb s9)b/que screen is placed in front of the lower half of the obje/m )ib9)avf vly..s ubctive 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 sp oxj:8i +r2l32wc5dl qz9xveoectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens ol ov2elw2r:ioqc93+ j d85x xzf 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 m 8d+l7/worhxoagnification $m$. 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 ef5kg(m4kmlai dv me713k t7nuu zh(*/xpect to be able to see the greatest detail whekmdl *t1(3i muk5u z(gvekhm47 f/na7n using a 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 fiy(h f wr gzu9t6y x37t)+m3irrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffdi8quwa q3p90 /cyh0z*bu pw; er 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 abilqn :r:r 4vojq5 yu7b5jity 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 radaj6n 7qaiqofg2 p;) ydr1s)2dgbh 1-nlr dish is doubled, what happens to its resolving power assuming that all other factors remai2qd) gn2)rs-;nd6g q yp oj1hbf1 l7ain 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 has a far point of 18 cm. W :ifk/vjv jlv8;.xir-hat lens (in diopters) will allow this perrif.j;j:-/v8 kivxvlson 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 o swb pnrgk42y3*1 zwq9bjects more than 70.0 cm away. What power of lens should be prescribed if the4wzbq* wr2s 1y9pn 3kg 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 whose lenses havgo8k yr u ic0bt+-eb2zpd:f06e power of -0.15 D. What is the person's far point if the glasses are very close :p b oy+ 0gtbzfe86k20-uic rdto 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 correct for farsightedness where t2u m1z( lgd75ohfa ug5he uncorrected near point is 5 25ugol u(mhg1z7dfa 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. d mljrd9bb89(daa .2 wShe places reading glasses close to her eyes, and9.d dwdral 9a(8b2mbj with them 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 he wearht6w5;zms df 3s glasses ofhfsm ;5 dt3w6z
+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 persoq8:dv (itn jm4n has a near point of 25 cm. What is the magnification of the lens for that person when their 4 (8vnmj:iqdt 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 sh(m*/kv)nws has a near point of 25 cm. W mkvs)wnh*/(s hat is the magnification of the lens for 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 m f,9grj14trb a focal length of 7.0 cm. What is the magnification if the image is v, 9b fr4m1gtjriewed 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 a magnifya *98 n kq6qf9euly5moing glass. What is the maximum possible magni659aqm9y8u o qke*nflfication?

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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 7g+ qbqcjs .ffxno +,+lens of focal length 5.0 cm as a magnifying glass. What is the magnification if f fj++.ocbxq,n7+ gsq 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 lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, a+ t;rhmx,b ybu0i20l rnd 16.0 cm. If you were to use any two of these lenses to build a teleh,b ry; imr2lxt0u0 b+scope, 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(y-dd ap9eouvl 2di+ 6, 4.0 cm, 8.0 cm, and 16 cm. If you were to uad(d elvod y+u2-6pi9se 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 lengt3ebwd7z l5e m6h of 200 cm and its eyepiece has a focalel6m 3dz7 eb5w 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 astronomical telescope with a magnification of 10.f wor o-ea:p6n+m/xo0 If th f6wo x-roa /ep0+:mone telescope has a converging 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 magniikc),0ux qwu0 fication of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting ,u0x) c ui0wqklength 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 limi, lnp9sa0i ey *zrk abr0rdinwh(,-3(ted to a length of 20 cm, what is the approxima3y-di(,r*awisrkr0 h 0p ,(bnlnze9ate 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 focal law3bn 34gjkr1q/j1t length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blooar3j1g4l1qk t/3wj bnd 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 mm and wy -(c)6rggdq an eyepiece of focal length 20 mm, adjusted forq 6()gwg- dcry 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 wirawk+m-*t 4rufc ubd)hhd qrw+2., 2kth a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lens2,a c*4r rqrwd.+ hf m+wk-utd)buh 2kes 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 9u:ah9pnjgt7 has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifica a t9n:9jpu7ghtion 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 tumyao(b;dc,+/r/ zy;rcf qr-he 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 that can +co m-r;b yfcy,qu /; rdaz/r(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 which are 0.01s7fjo21 ()mi oq(p egj0 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diaf1oo(s g2e(7)jipqjmmeter of the objective?

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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 diameter of 3.5 mm y,eei rtf h)pxt2p3 45ldm8 /uto 1.5 mm as the illumination i2t 5fuxi/plp d),r h m483teeys increased. By what factor does the minimum angle of resolution change?

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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 orbcg80 r mz0h1oiit by the81gor iz00hmc space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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