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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 exposed in a camera iq0exw95vn 4py s determinyxq950n wv ep4ed 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 fi ikhy/wmfg*w0 e5xcp,yie . da1,(y0plm 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 slid 41, *wjgdk7xlsug2i0y:kzk* z jms b;ing the lens forward or backward with respect to the camera housing. If j:s*k zlyxmkg*4 us,ib0jkwz 7 g2d;1, 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 fiel s5 f3(lwna;06vf qsdrd of view that corresponds approximately to that of normal vision is referred dff3sravwn;q l5 (06sto 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 actl.roctt+n 88fs 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 covers the film with a wider field of vi m:mz 1g ;y+t.gi.r3 gjwop6xeew than that of the eye and through which objects appear smaller is referred to a+.;6pwztgrejm.g i yx 3g1m:o s 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 hume7do-5 ;l .zsjgvxi1 yan eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refractioq 1;zqbl :cmp lu*,( sw-;oyjbn of light 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 see objects clearc :uei gefp;*) rt(t1 :kuss6ily 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 obj cy6kjk9p oyivz11paawm 4:jh 5vh0+4q u :g/jects 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 lik(/( zb cbig8dkw7h 1kpely to suffer fhk(zkbg/7(d b wp i1c8rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u6fyws44. hp xwsually 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 is too long from front to back, this gives rise to a 7aj xen6a3 4-t :t0v/epn salnvision defea/jpv 6tnen3a7 x tsl -:n0a4ect 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 is too short from fron3om6d, ibux,7q .-jkh blczst 0b30qi t to back, the person is likely to suf,, 7ohq-zb 0djii3 mctbl 6 qk0ubx.3sfer 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 corgqo npn102c +prected 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, th pr1tb 3hmme0-is gives rise to a vision defect that can be cormmh3 1r0 tbe-prected 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 gl l7kyxzcd e6)6ass?

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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 n;i,jys o;94ak z fyr66-icpllarge diameter objective in an astronomical telescjo ir;fc;p94ka-zl,iy ns66y ope 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 refractinm0tcw5 ah9o1lg telescope. Suppose an opaque screen is placed in front of the lower half of the ob51cmalht0o w 9jective 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 t odu9ry:(+ clghe visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (T+9uy(:c lr godhe 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 telescoperhu+q*x la l.yz32vn0 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 you expect to be able to s3ndk4dy4 akh, be u e76g:8osni ia-:nee the greatest detail when using a micrkn-y s:, 6d43a7i8:o kbiehaun dne4goscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffewypjp61xn/eku o3t9 5(psw,jfz 3(yar from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fh bjvd7vft7,s z3 x)8brom

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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 referqtkn9jbd ;msk(3a .-ns 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 v0 9+zh 7vul1ey7ue sn/eq 7lqqj+,xu happens to its resolving power assuming that all other factors remain j7zlu +17nu9eq7 , qsuvlhyq+vx0e/eunchanged? 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 s3emxk 6 0kqg ,*kht4ra far point of 18 cm. What lens (in diopters) will allow 3 x6k,*4eq ghrkstm 0kthis 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 than 70.f9spb /;c1 zsp(gq xo,0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cmgb/o;p q1(9z cfp,ssx 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 wears1pzy - 6/9usz wyk mnk)+5pqws glasses whose lenses have power of -0.15 D. What is the pwmk zzsspk1 yq/)w y+9-p 65unerson'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 where the uncorrectex+qe da,ydc8e* ) qq4-- qqkdwd near point is 75 8x4de,)+- qqwdeq d c-*qkayq 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 places reading glasses cl ,auptpt q852 uqj5c6vose to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requiretp au28vqu6jc,55pq t d?

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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 259heft4n5ewyil+h: 4 d cm from his eyes, if he wears glasses ofwn+ :hf44ithey95d el
+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 has a near point of 25 zn,ql9fz71k)di0 vwfcm. Whatzqd90,)fwinkzfv 1 l7 is the magnification 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 ji948a w5kx/g fo,xj xperson has a near point of 25 cm. What is the magnificatx kw5xi j9 8fgo/ax4,jion 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 a focal l4biwnwt h: 8 msxi4.i.3(oi4c5 ufmy cength of 7.0 cm. What is the magnification if the image is viewed by a rels5(nofibm wwi8u4x.c y4 3cht:.i m i4axed 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 magnifying glash x1r+;vd9 ey3 +tddzws. What is the maxi3 x ve1 h9dyddr+ztw+;mum 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 lenscpm:f dj0 97ld of focal length 5.0 cm as a magnifying glass. Wham pd9l cd07f:jt is the magnification if 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 t6w foyg 7jb7y a/(bv:fo;v6ycm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use 6a/obvy7vt:o 6 7ybj ffgy;w(any two of these 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 2.0h+4qb5 ii*7t p win8y hv*dif0 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 foip tb0 vyhi5*whdin4 +*i8f 7qr 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 of 200 cm and its eyepiece j-ra 82l7 lpbphas a focalp pa-27r8bjll 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 telescss6m + ciue la:7n8lfnfg2h w-*( z3rgy-slh1ope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiegs fl-8ficz6hr( n3*-ga+m wh2:7 ue1llsns yce?

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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 magnificationg c ug nox( f9pnlrrzi9*02,u+;oqa l3 of 10. If the telescope has a converging lens of foa un(9r;u,o*0gi+gql 9z f2l xcropn3 cal 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 t95ek h (: j. e5;9ormzxh.3zcdh)*ieivkdeti elescope is limited to a length of 20 cm, what is the approximate focal length of the5mi.i 9 kekz r;:zx djh(de5ioe3*tvc)9e hh. 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 drois ;,/maw;ev 3tg(an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plac, s/a emgit3vrd;w( ;oed 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 an / ilu,2bll076lm) yr trec 5kdeyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ovekml,udtr 2yc6i l r/ le)0l7b5rall 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 focal length of 3.00 mm and an eye wr8psk:h+ wa0uh8)v lpiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, whalr us8v+kh80)hpwa w :t 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 hasuts*zlk5 7l3w 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 magnification of 2ksllu7zt* w 5340?

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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 constellas giffq(u *j2 )wyx.w1tion 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 ( xf2*.q1)wgifuysjw (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 which are 0.01w idk 83,dz*hz0 mm apart. If the focahkz 3zd*8,id wl length of 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 asi slp 6 )65mzf(kuju)p the illumination is increased. By what factor does tk)p ij(5 )upf 6sulm6zhe 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 o2 okz(0w psh(* ayzu a;53qskhrbit by the space sh qso(h0 k(3k5ashzpw2azu; *y uttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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