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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  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 open and the film is exp/j;+ tf8,j1usron m9hucs:i nosed in a camera is determined 9cjnsh: u,t8i;osnj1/rumf+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 reacey. edro9o.- x*ti8 cqx:2qu2bp0f cihing the film 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 isbcwt0(*kmvqu d9 w s,w88k/varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pics, cbs8*w0wd(wtq /8 uvi9 mkkture 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 approxidwi (a 75-8kmli+r0ose lx3 ynmately to th-0 e38nk dr o+(wisaly7i lxm5at 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 liz*fm+f* ah va8+t:vx ake 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 covers the film with a wider field of view than :8y8u1kv: 9xbjtq pt. 0r wnrlthat of the eye and through which objects appear smaller is referk t89x 81nv tj0y.lbwrqur: :pred 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 follop zm0le pwg: :0tw8wgcp077og )b8jz qwing ways is 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 light b1e5q*p*/hz 63n d ybiww.vdk iy 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 x-t w89 1w end;tbdvj1see 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 distancei+gkyt3o:ndr;jn)b qc,- d 9g2tz kb: 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 fropqmnv -cw,0o/ m front to back, the person is likely to suff/- onvcqpwm0,er 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 correctm87sa ga iol v6b0zt.yok(3 -red 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, this gives rise to a visi656dohk )30pcn)wnnq ju(a+ cabl1vj on defect that can be corrected by usingln6 o ) up5wn3 )v(djhb0j+aa6nq cck1

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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 cy48-t;qp8vunap b4i2 gw fr w44s t+qis too short from front to back, the person is likely to suffe 84 sw4p8rfcp2ban4;-ti +q yqvt4wugr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuea ib.ywv a8f 7xt),u6ally 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 fu5hud7n 7/gjaront to back, this gives rise to a vision defect that can be 7ndg ah5 ju/u7corrected 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 magnifyinge7c:vc7k c, yk 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 nf/ dmjez;c5 / ;wy3dbdiameter objective in an astronomical telescopc; / nmwj/zddy;feb5 3e 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. Suppo8emud/-e r 4cr *qodbdc d,*3nse an opaque screen is placed in front of the lower half of the objective lens. -4,*8eo* cdq erbdnducdm3r/ 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 h 6h*jq-sq-(zwa1g5 0 kvy(o+upr gqctas uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? ((u1 qk0pwga6rt- gv (*os-hc5 zqq+jy 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 h 2u;cya ( 6) uy r:dpz5 9dh)xr4vcpl:mqvcrw/as 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 you expect to be able to see the grqo6al/*0xb lceatest detail when using a microsc l0ob qcal*/x6ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferjv0tc7ap d77/jj 4ka a from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe; vg/5pl fs,jcx/hnv( r 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 microsco79qi6 1ytx )jm rpj.swpe 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 resolvi ub 2xm9h7;sm3z-n u)l2rpsx8xu7rcnng power assumib3)unxzcux m7x ;nlhpm ur2 79s- s2r8ng that all other factors 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 ofkxfnh)b t 4 7d.egpco :qf+2: )uzn0rq 18 cm. What lens (in diopters) will allow this person to seo)u2knr: ne zq74: x)b tf.d +0qgcphfe 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 clear0vzh1n9(y )1gd/sao yjc3ghlly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front ozah hgy )s9n0yvodj 1c1 3l/g(f 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 Dmd4l*g7 29yau *onyc i. What is the person's far point if the glasses are very close 2ci*yom uldgn*a y794to 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 farsightedffxgvtqy -7l-3l bwfx1-h x,/ness where the uncorrected near point is xhfqxyv1l/b-gf wxt7- 3f- l ,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 farsightedo 6vg,f7qt88-kk ut*3snf mg* ssrw3u7rnj) d person 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. What lensqs rmwts,jg 6n g38*sto8vf*7n-fu73kkd )ur 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 he2bp 5bh 07f a9s8kd3 cdzz3tswld 25 cm from his eyes, if he wears gl 2wf 833h5dsb7zp9d0z cs btkaasses 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 person hlkob734 mru p--a8gu ras a near point of 25 cm. What is the magnificatioa bu3m4-r krg op-u8l7n 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 personldx58v (ip0rhd+ /wsz has a near point of 25 cm. What is the magnification of the lens for that person when t(wi s 5dv0x8dlpz/hr+heir 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 t1 /0*qbvvcpl focal length of 7.0 cm. What is the magnification if the image is viewed by a r c 0plq1t/*bvvelaxed 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 convn l ogefqhbs50i, h)+;erging lens of focal length 5.0 cm as a magnifying glass. What;0f bhe+i5s,) honqgl is the 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 focal length 5.0 cm as a magnifd,uz. x60p8fv d7 wsuyying glass. What is the magnification if the person's0v7xs 8dz6uupy dfw,. 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, x5 p: .s0d82qnth2 umntofgj/4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lense/sq :0p uhnd g2xjntot82f.5ms 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 l 8h-wut /lidrf8. qr-rengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescope8l-wid r.rr ftu-/ qh8?

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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 lou8 wb/rb+sl/ ength of 200 cm and its eyepiece has a focal lengt8subrb/w+ol / h 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 10lu)sxe8(4bo/k st l zm47 5vme. If the telescope has a conver7osm4)uxsblm /le k (5t4 vze8ging 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 telescopewb 16r5h 3tc --geiypk with a magnification of 10. If the telescoy-3rtp5h6gwek b -ci1 pe has a converging 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 telesn-2*3bg7nft u:g3 9z pksm mpscope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectt pgs fm s-k2g9n3nbm*pu73:zive?

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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 eypkpy;rxdw5 :y2r t3: vepiece of focal length 20 mm, adjusted forywkp2rv:p :d5y;3r x t minimum eyestrain. 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 fo9 2rc2 tzo3i7qu1rt;cph:k g0bc0th ocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestc p3g 9cqb0tzo0 r ;i2h7:ct 1tur2kohrain. 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 anitou ;7fzt:71b 9xfstonn. 2 z objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnification?stti: ft.o7 1;n2no f zx7uz9b

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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 s2m-mg)g 6ackand an objective with a focal length of2ggs -)cm a6mk 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 in the constellatiox kgpjb/p-a;xd-0 2 zbn Orion has an angular separation of 10-5 rad. If the wavelength of the light frk0gpxj; pb-d/abx-2 z om 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 resol. 1 7uatcrwlq)8pn) ,jkk(q dlve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wav lljqkdca.pn ,k)tu1(8 wr 7)qelength 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 the y:nean/1 gz3m f(dt03d zdl.j8yj1 b lillumination is increased. By what factor does the minimum angle of resoj(dt 03 zyljy1neb :adn3ldmg81/.f zlution 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 Telesc(*cs/qnm3*hma4ptq qa-*-f f:z jmk iope has been placed into Earth orbit by the space shut sjmnz*hp*q- /4 :*kaacmi-3fqfqt (mtle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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