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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 4.p- vi3alpe 5vj i8ypexposed in a camera is determined by t.pi8-lav y45p 3v jepihe

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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 ass 63mk6asf:a +pn*3v* ylgiz 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 reflex camera theconf yoj 015lmm,dh 27 lens-film distance may be varied by sliding the lens forward o oc 0n2lyh 1of,5d7mmjr 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 co0luwr*y rrle:1p, cc( 4abrb q(2w7invers the film with a field of view that corresponds approximately to that of normal vision is referred ry4(7e*clap rwbi,u 1b:2r rcnl(qw0to 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 images is referrpr4 f. 7+fz+jgo( gh ujnw67rwed 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 y/ ztepj8fg70hnl0 ;e of view than that of the eye and through whi ehe/n jyz0gp8f 70tl;ch objects 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 arh1*4*m:c sdgluhki ; 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 eya q/vo va9t kj x,cf*add3f*)+e 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 cl 4lnlw5or e/-edj9b/ vearly 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 clearly i7p vfwpdt*u n.c8y ::dkosl/.s

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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 is like vpml)m2e4r1cly to suvm1c pm)rle42ffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallqf 0: fj:hqvarh1:o 5sy be corrected 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 eyeballa+hw f)m k.iq(nzzica3 *9i):hwv6c*hb w q: l is too long from front to back, this gives rise to a vision defect that can b*h*i(h: .blkwnq+waw :a6i) vhc q39zzmfi c)e 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, t gciwosol15.e*x ju 69he person is likely to suffer froo5e*o1 9wgic6su lj .xm

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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 ;g d8yguidvx:ek6g73s6v.u y 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 front to back, this19jor y-m2.mw shbbhph 0z51i gives rise to a vision defect2b 1.by509 m-rp1smh h iowzjh 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 magnify zyud :iomd/j *0bl7pve2n;7king 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 astronomicao tjz df;o*l:hnpc *u(*io 6bw/wt/a,*rj) dil tel;(j*,obfn6hw itazpj:rot c* di*)u*l/dow/ escope 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 b6wjhy2k04ccpk gz t07 y a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the object6y kc4jc7pk0tgzh 2 0wive 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 tac-p7mds lj1 6hsw5a3 hroughout the visible spectrum, in which of the following cases wou3 6pha7s-dwjl15 mcas ld 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 telescope has a m8njjy cx o fi* 7,rsb.9(oij6aagnification $m$. 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 able to see thf i )2df 2g:h.(bbafwue greatest detail when using af2b wff(dhbgi):.au 2 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;urn 4/9 aoosrjj p.-z from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffelb5f;2 e 2urger 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 ref/x) k-x l20wljx bgewf5r2v70iywuz2ers 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 z)*uu 1 *x6/mdpq0k hkbj7 rcfto its resolving power assuming that all other fact chz6b 0kq7d 1ruf/u*kjm *)xpors 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 has a far point of 18 cm. What lens (i1ea/ lq, pluu6n diopters) will alloa/uq el1l6up,w this 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 clearly objects more tha2+xa 1eej mq3ov5o ( z4qayff0n 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front q fm+(435vo1ae2 yqjz0xoaefof 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 powlji353x9q ex,0 gy7ax i-d sl c46hiyqer of -0.15 D. What is the perxj da9x4 gslc3 i3lhq-5,qy6 x70ieiyson's far point if the glasses 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 to correct *gp2i +ld4d)yc ud/e sfor farsightedness where the uncorrected near point is *s)2 y/4duclegp i+d d75 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 cq 49d:ygxgr7 ixxm+2w) dh da)7 rogd6m. She places reading glasses close to her eyes, and with them sheyh7qxdw7amrd: r i9)42d6dg xo)+gxg 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 froq20vx vci k5h(m his eyes, if he wears glas20xvv 5c kqih(ses 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 persont//fiw * of2/uo rj.1ghr-duou1se r4 has a near point of 25 cm. What is the magnification of the lens for tuu24os- hetj oi.fo 1r1/grfu /*w/rdhat 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 haspy-cak)m9/h . q58oy th4hy jh a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of t /4-h9 )oct5.yhm y hjhkaypq8he 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 a focal length of 7.0 cm. What is the magnification i mwkmv7c/3j e0f the imamm 7/vjwc3k 0ege 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 lengk7,t+q9 wx pquth 5.0 cm as a magnifying glass. What is the ma9qkuqw+ x,t 7pximum 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 converging lens of focal length 5.0 twl,0t8tjm/3hcwfi4-ud4 jc e6kkh5 cm as a magnifying glass. What is the magnification if the pj5 0 /ceutwtdkf-l6ick t8,wj3m4 h4herson'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 o v1b*lis6:o8d an(xr cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the ox d1: a6bni8( rlov*smaximum 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, 4.0 cm, 8.0 cm, and 16ybauk9e wi7u0 . u3zq9 cm. If you we e 3 .k7ui9uqazw09yubre 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 ;g t 6q7 1m66m z+ytitwlfx)qtfocal length of 200 cm and its eyepiece has a focal lgtqzfttqly6+ 1 t6)7m m; xwi6ength 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 1uh34lx51dp a3a.m:m jaon60c yx csh( 0. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyemhmc a ala hn:1c 4p(5y x.x3ouj603sdpiece?

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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 teleexi be( x+ed)8scope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, whedix()e +8be xat 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 thez4yy05h, fyh1wziu +o telescope is limited to a length of 20 cm, what is the approximate focal length of the iwy 5ozf, h y0yh4u+1zobjective?

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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 objec5zeb; hs(5 9+.d*wdh cj(aiyidns :ii 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 far apart are the+h.iids ienj5 a;d: c*(ib5h w9y(szd 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 au ur+ o i7(xsm5)gkxiz*7t w5and an eyepiece of focal length 20 mm ix *w rum7t5uxi5o7) sa+(kzg, adjusted 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 foci0mv44 qm.v bt v;kh;qal length of 3.00 mm and an eyepiece of focal length 6.00 cm. ;vivh qv;b .q40m4mt kIf the two lenses 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 barrel and an olst :qx5a qx7al* 3cy4bjective with a focal length of 8.0 mm. What is the focal length of th5 4:tlq a*xq s3a7xylce 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 constella mxuyzi74ydmha; , 7a,tion 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; miy,77,ahya zdu 4xm 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 whic;7(:.;wlrifqo i6d*: q:rh jaik acz hh are 0.010 mm apart. If the focal length hlzrkioi 7q6dih.(:jfa;w:q: ;*r caof the objective is 4.0 cm 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 diameter of 3.5 mm to 1.5 mm as tvod)l udht9 xxr y )4*z-c8vw7he illuminal vvrxczu 79ywd-t8)xh d)o*4tion is increased. By what factor does the minimum 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 Telescope has been placed into Earth orbit bm 4hrsox4pyo/kgm2 84y the space shu4h8o2kmx y4m r4/ogps ttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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