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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 expu9 e5c uo/cnnw b,1lyai7b ph+nv-, z;osed in a camera is determined bnvh9 cw-, b+lbo ;au pic51,/nzu7 yney 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 fiv/flxqbt; n 3 dh5dgd16c4b2clm 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 reflex camera the lens-film distance may be varied by sliding ttlf3muv h88h9m3omxt6 . + dgbz9 9lvhhe lens forwardhflm.9b9 ho 6+muzdgxm9vl3t8 8 hvt3 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 thej i6k9q l1r0uy cok7p3 film with a field of view that corresponds approximately to that of normal vision is referred 3or qi70 ljk6c91pkuyto 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 referred t w0civ.kegz+ lgw, 8dzk*z59zo 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 kd*36tmgk f1 zez 8q7othat of the eye a tkqf7*mekg d6zoz381 nd through which 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 a camera different from the human e 1rwu q gj)ax237u9gvc2qv o;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 e;tuutp1bc1)m4:p e btye 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 e i5a-,.v b0*zedldf:qgg n*rnye 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 distancpv f:hx js y5jal2dx0 3,zlg8:e 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 back, the person is likely to su wijl:r6ldw,,ffer fro,lrdl j6:w,i wm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual 84qyy5k / dpr7gr(cet i:0icbny+ae5ly 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 eyeball iselmq qq r3q:51 too long from front to back, this gives rise to a vision defect1l5qeq3qq :m r that 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 5ie3 m:qq crdjz+0gi 0is too short from front to back, the person is likely to suffeci qe0q d3mrj+5i:g0zr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallu)v c,s q urwm0h.s5q:ktf8b*y be 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 too short from front to back, this gives rise to a ob7- zs7ogf ju/gtx7mb:- k9tvision defect that / bt-kbos ggz9-7:ftxmuo77j 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 magnifying gl2to n2*s0 ct /mp6ab3q sr;ohpass?

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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 dig/6pm(iduy(09 xq8) cmyrjdp ameter objective in an astronomical te9 0djyr(uy c i6d)8/m(qmpxpglescope 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. Supp( xicl65vhp r(ose an opaque screen is placed in front of the lih(pr5 (6v cxlower 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 has 31owblay) wo-uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two cl 1aw-)3 wyooblosely 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 magnifqlcfnb- w*p;)ication $m$. 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 w8t)c0(-aqi) rq. vjjotd9qq would you expect to be able to see the greatest detail when usiwt)qia o8 d)q9cj(r0qq.-vt jng 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 f mkh4 tje7tw.izuct3s ye*o wo+u::h; gf 4--krom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer x(h 7zibla e7/y6) 8f- mlvtd0w saz4ufrom

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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 rl)hivn)l 438a4w t2x+u/tl l0vam/ikx s1d nrefers 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 resolving pow :uphb ;me8krd3d(h *xq-h+j ea 9yom+er assuming that all other factor dymhpo(b e*3a8k ;rdu++:9hx q emj-hs 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 l.ju2hk/iczb 0yx k ij-6cz8hacj4j /)ens (in diopters) will allow this person to see distant 2i/0b/kc-.ux j k6)yzah48jzjcc ji h 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 c-b(+1vyx5m9 ynpjv qrlearly objects more than 70.0 cm away. What power of lens should be prescribed if the glass i m5yv +qnxj(9 vy-b1prs 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 glass yvlpx0i:47go3twl9t d (r :fwes whose lenses have power of -0.15 D. What is the gpt :r(vlw39ly0o dtf w7 :ix4person'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 for farsightedness 0j :nxwj0ndf, ve*uj* 3pb 3ivwhere the uncorrected near point is 7w: *0jui0n vf3njdex3v* jbp,5 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 p.h0znet5y-i(fy:x 7;wvws w zerson is 100 cm. She places reading glasses close t.wyw:y; (z- fz5tehisvwn0x7 o her eyes, and 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 we ln5)wipv a(7j my bk.5t(puy 0fjyp64ars glasses oj) 5yjm(bp(4iyv75yn l k.tp 0ufp a6wf
+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 pen)d5f5qal,oau2s v f,rson has a near point of 25 cm. What is the magnification of the lens for that person when t, vfa2l,a q5)onsuf5dheir 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 pe + px,v27tgdgs 5m8*pgv*iqxjrson has a near point of 25 cm. What is the magnification of the lens for that person when their+x,* p*tj7gdxgvv 5 gqp8i2sm 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.cydv-ifu2j ev9 q 4 /+6bcbyb50 cm. What is the magnification if the image i d iqv9 4+b/5v6jbe2yb-fcucys 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 mq+zcdk1er-82-6yx t )vuzida magnifying glass. What is dzy trd)uqmcx - kvi6e+ 18-z2the maximum 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 foca:gt)sk kn3byoj5 t2f5 l length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxed?n2 )5o5 t:fy3kjgstbk

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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, xdioyf2)/njl: j ku ezp.nf:r5 6 /2rh4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to bulnnyr ffik/djh:6j:rupz e)o.x52/ 2ild 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, 4.0 cm, 8.0 cm,* ;w xu8sd6/o gk2xncj and 16 cm. If you were to use any g/jc6*s8oxw 2nxd;kutwo 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 length hq urhw c2:ptps 8jx:/j6u4l5 of 200 cm and its eyepiece has a focal x2whlu8sj5p q uch6: pt: r/j4length 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 magnifitk2 hktw3oq1r7m5u/r1 2dq vzcation of 10. If the telescope has a converging lens of focal length 50 cm, what is the to3 wzhk 25vr1/d1q qtu72rm kfocal 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 telifn( md-pkph ds:))v9l (ji9 njbsb*3escope with a magnification of 10. If the telescope has a converginsi3 f: k)bbpi)mj *d d((-vjlhp nsn99g lens of focal length 50 cm, what 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 : o4ju 8;cl9zz 1wfmc wqp4,agzc1cy 4telescope is limited to a length of 20 cm, what is the approximat4lf 1jo zc91 pw84ccgwz,a4 :zqcuym;e 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 length 1.4 mm and an eyepiece of focw) 7zsjn 0h)ka raao7;z9d:voal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apar;:7 ahkwvozr)zao 7s9anj d)0t 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 an 5zu.(q92fpp/whlud/iugyk/3 e b xx:d an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blo:up i/qf59gxxleu/ 32zhw u./b( ypkdod 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 fwm:fsi al;l2 yooy:m cz3*1xbj8c t-;ocal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, wmtx 1ol *ybcz8:-ows:23lyjm;ia c; fhat 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 objective with a focal length o)itsfs:*b 0g ap i44zmf 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 2400b g ii*4)apt:zm4fss ?

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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 s)ex4ua; xaxm qsy;m3km7p8 8 uef)b +weparation of 10-5 rad. If the wavele))xa ex3mau p+x;uwf8;sbq 7mk8me y 4ngth of the light from the system is 500 nm, what is the 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)s z zmyibc; +p9;)g7j dakzm7 which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wizz;9m y 7jkb7 ;mz)dcga+)spavelength 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 m4 qe8xd.- trja urun*5m as the illumination is increased. By what factor does the minimum angx qauj4 d-.ru5*8en rtle 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 int(w 3f,2 6m mspeh*gox1f.mppt2i w 2mkjmf0n:o Earth orbit by the space shuttle. What angular resolution (jwnm:tw1f mpm0.pek m22 6p x,h3sog fi*2fmcould this telescope achieve if the wavelength is 500 nm?

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