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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 ih*d1 j.0 ) v6ymm,zdgsktoyxo6g4 1d cs determined h64*kdgmyd z.os c 0 jtyd),vxg1mo61 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 reacz kd(pap/ p4k/hing 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 camervjcc ,(- rk6jja the lens-film distance may be varied by sliding the lens forward or j -j rc,k(jc6vbackward 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 wbd; +72z fs)sdlzi7mthe film with a field of view that corresponds approximately tof+7sz 7ds2imlw) ;dz b 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 telu zt75tyi06vy)mvj6 aescope 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 thevyhv49-s jui* film with a wider field of view than that of the eye and through which objects appear smaller s*9vj4yu v-h iis 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 8k;*dbp5 fwkm 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 stmh;k )qn9a/ 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 cleam. pnv4*-blw62ex xjz rly 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 objects clearly i53r4 potu au(kap0r7u s

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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 bac. gkq2ih gh2t,hr+a :ik, the person is likely to suffer froh2:q ,+2iarh htg.kgim

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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 withep)ebs;h2: m9c8z ew h

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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 g 01xp prf98jroives rise to a vision doxj 9 r01frpp8efect 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 front to m7p. hc9ztc(o back, the person is likely to suffeo9t7p(c .z hmcr from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usfvk8b7er-f)r 6nc4 qkually 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 fra2yuii1t 0ye20asqymxh 2ht 9c+*z (g ont to back, this gives rise to a vision defect that can be corrected by us tyez2yxh022c t+*hmi9 s(iq0aayg u1ing

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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 magnip0c; y9dup;g bpr(f;wfying 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 diameter objectiv e eewq)djs5k6z05 eb2e in an astronomicalz s5 eb60qe5ede jk)w2 telescope 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/m wk40a1nvsuk3 )sz -;gtkjq a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this v ;jmgk /34-n0zu1kw)tss ka qhave?

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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 the vi7pr,2l ag gb-ssible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens rgpl,72ba r-sgeferred 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 htlrwa is- 2xn)xc +:e)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 youg9m2i/ o by4bm4g;h+ utqgn5v expect to be able to see the greatest detail when h2/u+; y5qmi vmn4bg9obg4g t using 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 sufferfpuks9l3 fhv0v2, o 0c 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 fnu+a68sxe9 b mrom

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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 refe//5v ctfmuit7 h1 r)ok7fpym( rs 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 happenwk 7vod5k8s90n emot(s to its resolving power assumind5kktow en8vo97s(m 0g 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 of 18 cm. What lens (in diopters) will aupxmvm7o pa-eml s ,mk09;0;dllow this persoukps;0,p 9 mdm -ealm7o0m v;xn 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 70.0 cm away. What powe.k .-4 8l,mhtnjxr kpm5 sq8c- ehj)kwr of lens should be prescribed if the glass is to be worpqkj.nh5xmhr-)lws c48j8 t.kk e,m-n 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 poww5 juh (mvn*a5er of -0.15 D. What is the person's far point if the glasses are very close tomwnv* a(h5ju 5 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 wherabeu0f-tn8-xf9 +by we the uncorrected near point -abw + 0ufexf8tby n-9is 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 yi7rg6pup dk.n0c 9 :v: des.dfarsighted 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::yrudk7cep90.6g. svdi npd 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, i*dnwovdd yu8* m b4-b3f he wears glasobw 8dd*m4nyd-*vbu3ses 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 xlrnyk, c5 n8.bp9g:k a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lenscn9 n8 rbx.lgk5:y, kp 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 lengthtwr/m48ao j:u of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fowaur4m:8o /jt cused 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 el;-,82f -r vsfqfjnj. say1/7 dha ymis the magnification if the image is viewed by a re-d n 2shj;l7 s8f-y.m evajyff/, 1rqalaxed 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 convergmr q.dzu4 +w5b7+fzufe vjj-r*,ede6 ing lens of focal length 5.0 cm as a magnifying glass. What is the maximum possibleedfq6e uzwb5-,.r4dj veufz++7*m jr 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 conve5c)v 5wtc4xuq . .xdmvrging lens of focal length 5.0 cm as a magnifying glass. What is the magnification if theu5 c. dxqtcxwm.v)54v 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, 8.0 cm, and 16.0 cg l2x)o)y 8sber0m *+iv ( v)ucui4jrjw)l1d fm. If you were tou8rdxvroy(l)+ w 12e*fm )vij)0l 4gi)u jcbs use 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 fokepu1r6 kn lywd05ds4( u*4e xcal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were t0 u41xpdew(kd5u6 lnyr4k *es o 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 hasoy+kr2 34pp ox a focal length of 200 cm and its eyepiece has a f4p or+p2xko3 yocal 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 telescope with a magniiltzo nrr2c 1 s 5m+y4:am1( hd:ad1iwfication of 10. If the telescope has a converging lensmiy5zl m:ao1d w14 rcdt 1a (snir:+2h 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 a magnification okejt/uthnh:xn 8 u+r37-i*t of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultoeu8x r nhj73kh*u n+/i: ttt-ing 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 teles mvc k;k29sqjx408yn w f6.mnkcope. If the telescope is limited to a length of yn mx2.6; vksqf8jnwkc409km20 cm, what is the 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 lengt/p(d9ei q8qa(mxyg-ce4 b wo8h 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood wx8q m aboei 49/8(y-(gcpdeq 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 obje-un.eap *9)isbde 3:)jz oo cictive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm,aeio:ons.cd)i- )z9*jb 3p u e adjusted for minimum 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 focal lq18vf r7)w5br2g p *xxk 0 )n-ucaonmoength 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 magnifxg o7v ucrxw)08no)nq m *5kfp -1rb2aication?

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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 foca ndi10bj)-)zl-xh/;qgcg e- 4uisz kj l length of 8.0 mm. What is the focal length of the eyepiece to give a total nslz k 4-u-)j1c;jh)be-0g/ q i xdzigmagnification 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 angul 8k(:tt5fvuyc/0 eg qnar separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what inu58t:ge/ cv(k yfq0t s 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 wsd beo huh6ll/)hj527hich are 0.010 mm apart. If the focal length of the o7sh d6lujob)/2lhh5e bjective 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 personb elll.yvbb0m8--8cn dse4i .'s eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does c ble.ib4sy8n.m- ll0d v8-ebthe 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 Teles*ugm *b hw;d7mcope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve;bu h*mdw7*gm if the wavelength is 500 nm?

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