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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 open1s9wd )ftot 7s and the film is exposed in a camera is determined by th d s1twos)7tf9e

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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 camera is d 7t8g .vuxymz2etermined 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 refle h- zy9nfnsef0xd(/( hx camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtain hfdfe((s0 /n-xn9 yhzed, 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 field of vf+ f eo6z+79gsp/iqf noy w xe/-7bv6kiew that corresponds approximately to that of norv9-7f/e/ofy+ o 6kie xs7np6w+fzbqgmal 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 i 3kl7/sif a+)hof/z6b ;jrd.bznq5eks 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 )wq)m)lc 67xhf1h h mp wider field of view than that of the eye and through which objects appear smaller is referred to as 6)cx)mhmh1qlhfp)w 7a

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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 i k7ja0+b(l7 ovjzl:cs7i .pia 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 lighgpm:jf;k bfw+ g329to t 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 obj7n9j4 gjk o*c8aejc: nects 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 e8+ ofzixol cp7jjbm9z+(m0c / ye can see 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 person zls.-rn -rj;d is likely to suffjdlr;sn r- -.zer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallydfsgg1m2p u5 fl5 9gi4vf5l9f 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 q6hv :c p ;whf0ef3pk f9 umd9dj4(1cnlong from front to back, this gives rise to a vision defect thawf9 h91hd(4fu03pqke; v cndjmc :6pf t 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 nd,jj4jl hg: )*rxck/from front to back, the person is likely to suffer 4kcrd:gj * )j xj,nlh/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 b .i-nfb-t p6e bkrr)*me 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 sh,blk q5mj,-msm 00wa fort from front to back, this gives rise to a vision defect that can be corrected by usis bq mm,mwafj0,l-k05ng

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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 magnifyinl6vgysuz 0nrh.y :6x) 3 :jfd;hnt5b qrsj4-eg 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 diahkxxk 0 w(,psu)*sxl9meter objective in an astronomical telescope x ukp 0*xl,)k(ws 9sxhis

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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 anvzhs3te+c.s1a 3w5 m,jwe9qy9j 5jr r opaque screen is placed in front of thevmja c13e w9qj.erth ss3zwj,955ry+ 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 sensitivity throughout the visible spc :yf.m0 k4utoectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? ( .mftu k:oy04cThe 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 ma*jf/k l l6 di*bakisw4 t+u4s)gnification $m$. 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 detail whe t9zv*6 pky+.map,p fzn using a micr,+p zt9m.k6fzppva*yoscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffb8, z4n5yn xay-r wdm;pyq /t4er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf,fuz;zf .l)5 l9dh-zy9+d trgnbej )f fer 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 to thj*sk0*zf* oqeu2 d,fpe 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,0uqf3, lbq0krzi, /ahmz.fq v -sh6n8 what happens to its resolving power assumingzq kn / - bhz,8.fq36,larvsq0u fhim0 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) wol4 *q(7t(+o v/hzo -sucq dwz1d0 lvxill allow this person to see distant objects cllh(4xoc1q zo ld/7ods* -z(qtv0uwv+early?

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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 thannvbc/t n5pm*( 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 v(tn5mpc* /nb 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. Whatjw x2a.htv4 n1 g8tju7aey5p0 is the hn8u7x21 tj v.yatje 5wpa g40person'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 uncorrected ew vf iwbq; -u/u7ag 7-um.yh)neai.-h/ ev uuf)m7gy7;abw-wuqr point 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 farsightedmv4*2 bnawn7hne v5n5jr0*:hngl b3l person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newj an4nr*0l* whlmb3v 5n7b5ng2 ne:vhspaper 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 can read a newspaper held 25 cm fromvh/x z)wlza2) his eyes, if he wears glasses oxvwl/z 2) z)haf
+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 pointrw ubc:p2hra qj 9)j-- of 25 cm. What is the magniwjh ba -j:qu2p-cr9r)fication 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 person has a near p v)0da*-1crn4trqad coint of 25 cm. aqtn*rr4-1a)d0 vcdc What is the magnification 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 9roe0jv d x)ak)+u-z v7.0 cm. What is the magnification if the image is viewed by az- )jve)ok9v0u+dar x 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 glass. l 1lvqk(0h :lydtei i1j4f9 o7What is the maximum possible magnificatio7qkdi9vtoh i01e:llf1ly 4j(n?

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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 magnifying glass. Wsybpf)g 6,ne u*s h9u ok:p1*vhat is the magnification e 6g:u* u1ksf,vbsn pp9ho y*)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, 8.abu7 f)oti h;fs7zr4 )0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you c ih 7 sfr7)aozf)4;btuould 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 2.0 cm, 4.0 cm, 8.0 cp+j2vjbd4 ql2ta*s 7fc74kbds .vm4im, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens sefj s 2jb 747salcq4kt2+vp*bv d.m4id paration 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 its eyepiepfgdi wozyp;+6-/lvo b 5wo1 7ce has a focal length /b7 +w wlgif 5do;-6oyovp 1pzof
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 u wyqu)on2-g-s/qo*r telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyeu/gy-w- u o n)q*q2orspiece?

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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 ofbeh0no zsn48+ zr fs4/ 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length o4rozz4n nf+ sh8s/b0 ef 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 thd(s 4c +,awepbofs/*ue telescope is limited to a length of 20 cm, p dcwe4/+ u,sa *f(sbowhat 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 length 1.4 mm and up*zyfw .yn4 olu ;u02an eyepiece of focal length 20 mm, adjusfpu;z* uy0 uo.4wnl2 yted for minimum eyestrain. A blood 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 objective lens of focal length 1.4 mm and an eyepi0e6hvua(knx 6 whpz. .ece of focal length 20 mm, adjusted for minimum eyestrain. A blood samu h6w ( ha6.zp.exnvk0ple 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 n- wv6x5tt m;lobjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two len v-ttwmnl6;5xses 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 ,o x0kbvojy0rc-00t .0a thzirc;jz9focal length of 8.0c,kx0 .ryjzr -c 9t;av00o ozh00 tbji mm. What is the focal 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 separ xynon:63z h+o4e1 hgdk.lb:kation of 10-5 rad. If the wavelength of lxobhn ozkkg:.6e:nh43+y1d the light from the system is 500 nm, what 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 design sdkqfn )pei 5 *mny*tco:((g4)kj3raed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavele5s jgkimak(cp *er *4 qfd: oy3n())ntngth 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 cc5nhve2c0lzpq;h 8;m q-d vh8 hanges from a diameter of 3.5 mm to 1.5 mm as the il qpd8hz ;;0vv he5 2cnm-hclq8lumination is increased. 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 - j(,6fmwmg ozbeen placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength m wg6-m(jz o,fis 500 nm?

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