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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 fin g)uqiwf,jp rt4/*d0lm is exposed in a camera is determined b4p) jur,t0*nf gw/dqiy 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 filmxo4iz4kyz a+ 5h)xt.n 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-filmsboz:sz ssv(/(v8koaa2arkm:d)xag/5 ( km , distance may be varied by sliding the lens fd(5z/r:(xa s)8kk,b zma(ga2v /ssvomos ka :orward 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 cs64q p lhdh94:8c38uqckeryjovers the film with a field of view that corresponds approximately to tha 6 ycjh984dl 438 kpqhuecqrs:t 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 maapw7hx5l4:c w 1is mgq y/;4jbgnify 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 that of thee4tfj (1nhi91yl6i,ha7 r hct eye and through which objects appear smaller iyi(t 4ire197,ntlhf hh j1ca6s 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 is7hxxtawn2 .:s 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 by the eye p-;9m wvoaz5enz ()usg0k p6boccurs 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 af(fy6 5 .jmrkxn eye 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 distance at which an eye can see o -atx9xvu7)1xfk/n( jd(f(g th ypv* vbjects 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 uk- z*0z)du w1 w7i tj-sml(xhfrom front to back, the person is likely to suffer fromlizk(jswd t )uw07-z1 hx* m-u

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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 corx zp519 d.wllu7j te47zf+pllrected 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 bavkyqh 7+xv b( 2tin.io4h(i;gck, this gives rise to a vision defect that can be correctedkibqt2 h(vn+go 4xyv ;iih(7 . 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, the person is likely toxe 498 txob5g(m2g 2gxkm hv0v suxx2t2o059xg4 (hgmvm v ge k8bffer 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 corrected we/ + juixodb/p9jiu3 eb6- 9ogith

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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 f9jta;2m8liax rom front to back, this gives rise to a vision defect thtxam;l9 j2i a8at 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 magnijs9dw8 -3m ur )-d8mche * hc.vgl r5vu-w6hqbfying 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 fok/8ubcnbnc+wa *a 4z 3r using a very large diameter objective in an astronomical telw c /uzb +3c*a8ak4nnbescope 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. Suppos 3o1ju)w7j* j48 pqja* edu :s)qpqoyie an opaque screen is placed in front of the lowe yjujo4i:jou)w7)j se8d3qp* qp *1aqr 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 sensitivity tih*203b w o5mrqm4bor za. xia7. ondffu9f00 hroughout the visible spectrum, in which of the following cases would yo b0o9 4zdh qin .0aiu*owb2o.7xm0rff3r am 5fu 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 magnifym x .-chx:k*o(xd u2sication $m$. 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 etce:+p odw3ovn k-gf+r/2t y6 xpect to be able to see the greatest detail when usny-2 odc +/r+vet wt:p6o 3gkfing 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 suff r)y8jugmukq 0( 5vmm5,dmfq(er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffah )9 hj5ls:;uctr bi+er 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 mic1vsqz8 /x*tqlroscope 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 resgxqyr)e zzc2 e-m09e2olving power assuming that all other factors remain unchangez) 0zr2xem9 2eqg -cyed? 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 diopters) wix nddcs+2ft+hv/1r i vb 6-ms0ll allow this person to see distant dmr6dstv1f0 /-is2bnh++cxv 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 awa/n h,yu;a a3 ea6 omsk(,vvz6b z/1tqmy. What power of lens should be prescqnah (aym6 z, 6,vtabos1/e/zuvk3;m ribed if the 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 ls)yq 8f6ro7l( shd:w lenses have power of -0.15 D. What is the person's far point if the glasses arl7fw )ysrqd(l6 s:h o8e 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 needvrf sx*5f.uup(l12fe ed to correct for farsightedness where the uncorrected near point is 75 cmff.*lfx2 vu(sur1 ep 5?

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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 faq)g/oqd4 - 9oyciq0og rsighted person is 100 cm. She places reading glasses close to her eyes, and with the)qdqoc g 9oq io04/g-ym 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 cans ax c ip8w *ty;pb;plt i)fz1f98e()d read a newspaper held 25 cm from his eyes, if he wears glasl (f 8;td 8xpifeawb1) pit;*yspc 9z)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 fguygr 05wr7v )ocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the len0rv5 ggw) u7yrs 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 cxti f:68p5;rqgn ihw0 m;xqkg .6f un4m. A person has a near point of 25 cm. What is the magnification of the lens for that personw;ggn5ku0f6:4hfxp i x 6t;.q m riq8n 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:qrvz pf;evxg7 g(f,1u5,n3 fhpn 3c g. What is the magnification if the image is viewed by a relap 5g,fv;1nzpgfhcn 7,:x3fvr 3qge(uxed 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 glass. z(. a,ft rzid/What is the maximum possible magnit(r,af ./d zizfication?

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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 magni hrns-t/uz.a opn/ox tc2o-, 5fying glass. What is the ooos /unc- ,pt 2-h.xztr /na5magnification 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 cm, 4.0 cm, 8aerer,v/oh zwo n6,) rv7p0sq/k (x+ s.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what ia7ks,rr0v, wzseqn6vo r)xo +eh//p (s 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 lensetv,c p oz2z;k+s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If 2+ zpz vk,;tocyou were 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 hasnt)nmbn w7i ce--le79 a focal length of 200 cm and its eyepiece has a focal lengn)ee 7tnlic m-- w97nbth 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 astronomiewu2 . y8j8hilcal telescope with a magnification of 10. If the telescope haslhiy.j 8u we28 a converging 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 telescope with arpso9lj4/8qnud;it p0 amtj 3d8 3 a5k magnification of 10. If the telescope has a converging lens of aa d5/j ;jksdp039poir qt4 8u8tn3 mlfocal 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 telescope is limited to a ll) 8qrf5fonqkw6 f4o0 ength of 20 cm, what is the approximate focal length of thew4 qof q58)rf0n6fklo 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 s4*c i*cmg sd4of 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 c di *4*cgs4smapart 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 f8 zbye9pyig ru4 enu7u5fc/dm;g 0; 3local length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum; ryiy93c/ g fzlbd0mn5e4uuep7 8;g u 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 fol x y y1lc,gsn9/a0b)wj2fhk rsel5 +1cal length of 3.00 mm and an eyepiece of focal length 6.00 cm. 2sx1sjy+bafl 0celgrwl/),y91kh5 n 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 focal +5u)rx3u6 b( yum9d9zfuy9asitasj) length of 8.0 mm. What is the focal length of the rja 9+sd (m5xy9tzua iuufy3 u9 bs6))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 tmc 68dlzu;5x,: (/xx uzvtao an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two star5x /v,tmdouzxz(x6lu c t8;:a s?

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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 ln r/h*t7.:umsn o lu2are 0.010 mm apart. If the focal length of the objective is 4.0 cm and tmr/2u*:tsn7 nolh.lu he 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 thty8i:ssh yjz/jf7 /q g)-lb/x6 pz4rs zem) 0ke illumination is increased. xgk 7i jlf/-rz y/sjpms8bz))4:6 0 ytsqh ez/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 beey1-,gnfvcsk *n placed into Earth orbit by the spacn,c1ygkv-s*f e shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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