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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 exposed in a camera i-d w*e:x 0oxm4gtg 3 zx +;qsd3xt dato8g-px4s determined by p0x8-- dzg4omx +xaqd*eo3dt tw4;xt xg3:gs 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 fil ,z -pyf(0u0/kasboqc m 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 slidingdun(o+z 5d7egj7./ 2 oam oaxztmn;s9 the lens forward or backward with respect to the camera housing. If, with such ae;9/mzt mo57j+o7xg2du.no nz( dsaa 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 fie*yb31xjc5vg,1u byk i ld of view that corresponds approximatcb51jv,*kg13uyyib x ely to that 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 like a telescope to magnify images is referred to as+y:n: bg/z(c 4hfmmn z 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 that o5 y ehlpm*po;jqm;5r8f the eye and through ly5m* e8ojhp5r; m;p qwhich 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 b 7z;j ,8bwki d15x9mh8qq qvnw:qnflm9v * 3ifrom 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 thypfi0lxt8 od(0/ 8 wike 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*xwa9sz n/+him0 lsmfv*+re- 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 distance at which an eye can .-+ qp-q-0kz cv9mv ftg7wi1- utusulsee 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 pers6ij (cmd 0,sleon is likely to su,mlidc (sje6 0ffer 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 corrected:jj1 k0gcrvhs28l nv- 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 visinru(dq+7lgi y-ik2p 1on defect that 1g+(7ni-l rqu ipy 2kdcan 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 f8ok rl n.21kgnront to back, the person is likely to suffer fromko.1grnn 2l8k

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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 correctedc (3wcjkh(4 wt8-kmcr 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 shortltdp* chyq*(s ux/o;21d d7 xm from front to back, this gives rise to a vision defect that can be corrected by usinsm 1*2ch;qxp*d/ou x(7ldtyd g

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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-lj3 *i nea9fi magnifying 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 diamyow ;n9n8ye2eeter objective in an astronomical telescope n9w oyyne8; 2eis

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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 opaque89oapmgs i(,u screen is placed,oaigsp(m98 u in front of the lower 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 uniform sens *excc f/g(e d4gb.oj)itivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spacee(*cfbx4g gc jdo)/.ed 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 p)*ym fi , 0jgu:fzy6d(c v-onhas 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 greatest detaia qr )m;6xxh:s9+qprjl when using a microscoxq9 jsa:+)rr m6hx ;qppe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff*gp 9vh19(w3 skbo1+cslvo zter from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe1 vrh0qs6qr1 dggtm.7r7*r w4dxkv2 lr 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 mic 0xl es0kefrx64hb1 (rroscope 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 ityd8rzki /je8qms. g; yqn-(9is resolving power assuming that all other factors remain unchangenrki( qy z;jei-s8d.y/gq89 md? 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 (in dioptm sg4jibol( s;ti:vpp /;9k x:ers) will allow this person to see gvk p/sp 9ixsit:(;mj: o ;lb4distant 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 70.0 cm(z m:rr svj;bm i+8+wqf2;t;mi0rhfi away. What power of lens should be prescribed if tjf;;fq r0h; iw2 ivrt(mbi + z8r:smm+he 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 have power of -0.15 D. What is 9y. y4y7+ etm2j uqbsgthe person's far point if the gls ty9e2myj4gyu q+b.7asses 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 lp.xq9n ohu;5for farsightedness where the uncorrected near point is 75 c9 hup;5onl .xqm?

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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. Sy dv( d6s7oo: ylj.(eshe places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?d( (osy6jovlyd. se 7:

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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 h; x0bla6wqpuv6 2 bw9deld 25 cm from his eyes, if he wears glassebxp0 bv;6d692la quw ws 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 oln)) u q3,vsp1xtn tsin7w 10gf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens))sn i n,pl3ws tgv171xq0nu t 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 person has a near point ofb)u8 h sr zk+d5n54jof 25 cm. What is the magno4frdu8z+j5n h s5) kbification 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 length of 7.0 cm. What is the q- jx)q rrcu81magnification if the image isr- r )xuq1q8jc 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 a magnifying gla +:8w9dc1spv4emzh6 1/it l-miw colhss. What is the maxw-z 9v14w :8e61cloi+lsmhtdh c p/ miimum 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 aa.qbda *7qumxv j1e+3s a magnifying glass. What is the magnifi qq7vaueab3d1+m .x *jcation 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 f6u);msf j*p i2krfpf2 ocal lengths 2.0 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 maximum mag2if mp 2 kpfr;j*6sf)unification 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 2.0z;w; b9/vk:pt ai6up p cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of the/;vi u z6 ;pba:ktpwp9se 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 of 200 1(s* 9 e ls*+tkui8cjpk4du5h c vwayl1;a/sqcm and its eyepiece has a focal length ofu a1huvi/ 5( lstd*kc y1 ael+s98j;*cswp4kq
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 magn)d9fjc 2gaj)h 3l;iztification of 10. If the telescope has a converging lens of focal lengthz)3i j9tglaj;2f) cdh 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 astronom8)il*,q ,, rnuac xwseical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the,qulic xaew) s,* r8,n 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 xvz.te vj7e3(i d-ev/ telescope is limited to a length of 20 cm, what is th3j-xe.t (/vev v7edzie approximate 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 a3su;ets jpoid*+ g d0-n eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Howud*j 0e-otsg+ ;3isdp 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 lenh fnh + -f)4fkfuad ymmx38*k8s 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.h+ kh8y)f3xn*f kmfaf 8ud4-m 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 focal lentlra/:nd5fgg+*. n3 +dotn bd gth of 3.00 mm and an eyepitt*n5l+ +dg: . dbndrona3f/ gece of focal length 6.00 cm. If 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 objective with a f5.bfvrm7muset(- v f: ocal length of 8.0 mm. What is the focafs.mr:t 7(v- fe bmuv5l 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 constellation Orion has an angular separation :c 7+qxf*noz a:+cmte-bth1m x+ /hvk x:f5cxof 10-5 rad. If the wavelength of the light from the system is 500 nm, nxa h *1mf7 ebmqt-5:c+:ft+zvx hc /:koc+xxwhat 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 whicxyg7u1quoa5(w) gpjm l5/v22 ahlt68, yltr mh are 0.010 mm apart. If the focal length of the objective is 4.0 cm and wm1v2tj(g q7uh8 x o2ml6r /l5alutg5yy, p)athe 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 c4hcske+8. ak tx.(d. 2atpmebhanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factk48t(d2kcb .xshe eat..ap+m or does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been placedpuygans*ue 9h) 636 aw into Earth orbit by the space shuttle. Whpue3u 6h* 6sa9) ganwyat angular resolution could this telescope achieve if the wavelength is 500 nm?

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