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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 thp8g tlm2wk2l8d1 *f hae film is exposed in a camera is determined by th8 *lkfmpa2h8lwd1g 2te

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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 film in a came5si 4n w q /vz5y.twqlr:k*d:mra 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 distayvq;vz lz9 b w/y0t4v1nce may be varied by sliding the lens forward or backward with respect to the camera housing. If, wit;lvvbyzq t104wz v 9/yh 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( xicf - r8aa(yagrq t()76iku film with a field of view that corresponds approximately tof( cxakaari(q)7 8 yit(rg6-u 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 imagvat-b-us -fop+ , dc*ces 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 f5yv(5lk t ypte;2/n;0pknlz eilm with a wider field of view than that of the eye and through which objects appear small n ty5e/ve(k;ln2z;tpkp0l y5er 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 lq zljw z6.b)6is 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 l x a 5 .q4efl2c047n6sr(xx obsogk5iby 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 clbzkxar-9,xu do:v du4 3sn9x2early 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 ny*; tx yq1ur+,9b+0pqum m ossee 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 bal0kh ziw u xs8w+i((2xck, the person is likely to suffer fro8z k xli +(xu2hwws0i(m

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallyu wjc,)nagob72bn*w6a :4xnr 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 fb9xc+maefz7 +.e .izaront to back, this gives rise to a vision defect that can be corrected by usina.z .e7cx+9zbai mfe+g

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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 pgczgdd 8nr)9i *ngwy93i;d x2erson is likely to suffer czwdxnd9ii)y3g gndr*98g; 2from

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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 wi:yiar i0ljac9f 2()ri6l9utk th

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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 s s8wy1rzh/ewp b-t8) is too short from front to back, this gives rise to a vision defect that sw- sh8b1/8wtpre zy) 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 magnifying )kmvsg(tm9zc 8 4i n.f x0nl2sglass?

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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 lkumc6w3xc-(6, fy 7nmb h*skbarge diameter objective in an astronomical telesckcbf6c6mn yh,b (*7ksmu wx3-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 refracting telescope. 8sd e92o, qu:bb-.1jadm/ly evnj1xa Suppose an opaque screen is placed in front of the lower bl18/dqoan9 av :s d-yj.b j 1eu,emx2half 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 throughout the visible spectrum,-dvw 4e0zrw+p in which of the following cases would you be able to best distinguish between two closely spaced stars? (Thz4wew p0+r-d ve 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 telescopeo6)wxcrbmo9b7sa ( x- 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 kp2jdrc; :j (wv fa66qexpect to be able to see the greatest detail when using a microscopd(jkq26f r;: vaw cp6je?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufferw2 +ij0oj gy;w from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffeoomtf(drmow d 7r5 6i -k8)qq+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 microscope refers t6q+d ,6zq 0gjqygh6 kno 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 ijn ol ah:s/1wp-/ l*kdts resolving power assuming that all other factors rekna1jld/* lho/:p -swmain 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. Whap0nd.hbaguo7c +q5h3 rdi-+q(6s ugut lens (in diopters) will allow this person to see distant objectsrp3 +u gi-.0q+hhgqds b u56on7duc(a 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 clear u i-yc0tta7lve,:aq6ly 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 of the eye?c0y :6a vaulie7-t,qt

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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 lens 7aw t,cg1x(mies have power of -0.15 D. What is the person's far point if the glasses aret,ac(xwm71i g 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 correq+bf *h y88dryye+ey 0hh6p7cct for farsightedness where the uncorrected near poi8p +8q0+y7 hbeyh drfhcy ey*6nt is 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 h pyp (ao.8b3zfarsighted person is 100 cm. She places reading glasses close to her eyes, and b.p3o8z h py(awith them 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 caw3*o7iw5svqf g7wy. tn read a newspaper held 25 cm from his eyes, if he wears glassevfwyt w73g* oiq5.7ws s 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 has a es ii4kx72oaark -r-7near point of 25 cm. What is the magnification of the lens fo-7is27k4kx -aroria er 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 focal1j z:,v* kpolc length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for thatkc,pj v1zo* :l 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. :8he 6 x0d2lqgn b+ s k ovfdnk+o54kd53mgou5 What is the magnification if the image is v8+no53q d54omgl nfux:e+d0 6kkhb2 vg5 odsk iewed 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 zx 8d:zir / ay .n,qwrciyn9-.a magnifying glass. What is the maximum possible magnifiqy8w/ainz, i. .d9y:r rc nx-zcation?

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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 foc8gbf8f3 l s w7lw,sw8zal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is rela,sw887 bsg lwlzf 3wf8xed?

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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 s (bn.wil-m6g, 8.0 cm, and 16.0 cm. If you were ton swibg. 6(-lm 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 a9uku uha 9kha3y;g:cja47 n8focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use au:yh7 unua4a993 g8ckakh ja; ny 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 has a focal length of 200 cm and it5x7h+r io2 tzns eyepiece has a focal length o rz7x25iho+n tf
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 witc6vmj)9jf.j: ::gkbk4lx cmz h a magnification of 10. If the telescope has a converging lens of focal length 50 jk.mc: )m4 6kzjc 9f:v:xljbg 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 of 10. 4gy-d j4qah-ngz .(n23 p.m 6ldwqfsc If the telesc4yd.sz( dnp 6fj c-l4 3qg.awgqhm2n-ope 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 telescope. I4li giz 97zf8lv bwp74f the telescope is limited to a length of 20 cm, what is the approximate f 97wb8z4i lz74fp lvigocal 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 h)s8dtv, izj;mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the 8zhv di ,tsj;)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 wcc(ung yyh3pm/,, 3m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain.c,h (pm g3w,/m3yunyc 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 focall nuxxf ku8552 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 5852f kuulxnx 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 objectivewvfl 1fj:c*+oep f s 0x7x*ty) with a focal length of 8.0 mm. What is the focal length of the eyepiece to givf xpfo v:f)ylj0xce*71+*tw se 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 seb 7rvv (mijzf7annj mfkq; 7b (l*q1-5paration of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescoblz q*j5 ;aifn(rj7b1m- 7qnfvk m7v(pe 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 0.010 mm apart v7e*go0p;f sj. If the focal length*0;f gvpj os7e 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 persop) qbkskk;r/ yu5s,c /n's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does5,/kc rsyk)b/ ;kpusq 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 been placed into Earth orbit a * bp nnqg7p0zyv*.21ngn 5i-hjgdn+ by the space shuttle. What angular resolution cni p7g +bg d5qnnhn y-1 2*pangv0jz.*ould this telescope achieve if the wavelength is 500 nm?

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