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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 openx8epi93 c.ezb o qi9p: and the film is exposed in a camera is determzi o. eebqi8: 99cp3xpined 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 reaching the film in a camera is determined by ku/of o/k a+ xb m;xou,7khz j)4mme19the

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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 s)pe1z ;bpurk2v5+n /w h3b nrrliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means the2r r3bpr vh/p+unz; bw) 1n5kat

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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 view that corresponds apprzsxe/j8l,ic,t 2f ,hqoximately to that of normal vision ie8czlfj2, h / s,tiq,xs 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 actav17ibbw c8pbuy( ;-es like a telescope 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 the film wiwrrj5ir6g dk7:b: .bz ;drvu3 th a wider field of view than that of the eye and through which objects appear smaller is refk.rdw: z3rid r5 b;7vj :6rguberred 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 wayj/ ekaim4 -+y 3.s r3o,zfllpms 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 refracti62tb90,fvpjodof 3er on of 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 see5v4ida*3g :jti+dd ufjhn,1k( p29nklm 3c hj 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 objects clir/:maq47v m3w w d7khv*q)ss early 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 lomt ;a:yw2;xeu ng from front to back, the person is likely to suffer frywxam; u ;et:2om

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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 wui.x056 gk gz+p/ykrxith

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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 xnzz 5g5a/+bj t+hrq(too long from front to back, this gives rise to a vision defect that can be tx j gn+ 5zrabqhz(+5/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 back, the person is lgi+9b 7*jc xil;v;ndbzv6j0tikely to suzj +0i l;cj b ntg69vid7bvx*;ffer 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 wkj6z*ni:8ey 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 front to back, this gives riseqn bxk*fi 6(kun-:j 2c to a vision defect :xfbu6kn2 njqkic*(-that 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-vye9fc+ m er: 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 diameter objective in an ast)b69jdtrat9q+ f mmcy; 5x7jeronomical telex9my+m)6crtf jjabe ;dt 7 9q5scope 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. Suppose an opaque scxh;/2. gd lyroynds/q 697 hegreen is placed in fro6ernhdo qdyg l/ s27yhg 9x/.;nt 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 sensitiv1 thtigurmm8qnz3 d g3c2, y3+ity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objective lens of the telescope used.h328+y dtc31in zu m g3,rgqtm)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescopeyt *gu8q (tlb(lyhwgpo0dud7* p3v(. 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 expect to be able to see the greatest detail whebq::i 6xmv 0 kh6issn93 gcf.gn using :xbvs0ihm63ci.96: ns gk q gfa microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeoezlgr vq.f +x5epf/bj((7n 8r 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 fro+yc7c*pooea61zlld9y+ 9 c ql4: o qggm

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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 the ability toftm/h5( 9cd r owz+,jl0lj,nn

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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 resolvcz :v b9 r1tlb70jp8cjing power assuming that all other factocp1z79b :0jvj tcl8rbrs 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 poinv-n zy+ sj+g s0kx/tt5t of 18 cm. What lens (in diopters) will allow this person to see distant objt0v+5-kn+g t/s zsjxy ects 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 aw 7xr)y. t-e;cvhk-biqay. What power of lens should be prescribed if the glky- rq)v-c;h.tibex7ass 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 hl8 f6xa.iy ;+up bbfk6ave power of -0.15 D. What is the person's far point if the glasses a6p6fx8fybu+b .a ikl ;re 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 far3l. jpa( j*fwbx ;,rxssightedness where the uncorrected near point x*jaws;, x(lf3.pbj ris 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 ittu( ckkfa9p 66. f)kfarsighted 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 cm. What lens power is requikfk uk(p.96 fi6)cta tred?

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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,7, zmtb+y buw1 if he wears glasses of ytum 1,b+7wbz
+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 n iu70pfjhx pl8 3of7. ;oxw 7m+ap.lpsear point of 25 cm. What is u plx7;.pijalfm 77 fph+3o8 s.x0 wpothe magnification 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 peen183 04w (hcezo rgsdrson has a near point of 25 cm. What is the magnificati8 crz03wo gsdhee n(14on 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 fnay, 2 a;wyn/+ vkrz*cl3ax4n1h*w3oobvi )focal length of 7.0 cm. What is the magnification if the image is view/navayornvl3wf bx; ai4khz1**w3 )o2+y,cned 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 ley;z*wow -h0 net:i, ;bkm kb:jngth 5.0 cm as a magnifying glass. What is the maximum possible ma-hyenk:jmwzkbo b:;,i t*w;0gnification?

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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 magnifyinl ya koi+p;,-zg8zpa 8g glass. What is the magnification if tia+8 az ,yk8-;ppz lgohe 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 length)x:m;c 1m afwxpk/b3v s 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two 1bcmvm/3a:k) f;xxw pof 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 rqm/x+qfpx1k 44g )jqzq ) 7qtof focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnificatiqf7z 4tx jq1 +pg)q4rxqq /m)kon 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 eyepiece; 31wshdp:s ce has a focal length1w3 phdse:c ;s 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 magnification of 10.)wm d i+8xf6+p16 mtt9jkdpke If the telescope has a converging lens of focal length 50 cm, what is the foc1fx)6 pwtmt kdd ep6k9++mji8 al 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 1u3hb 75e:jpzt0. If the telescope has a converging lens of focauz5:3jbeh 7tp l 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 109j 7xcvh 9,eac124zpmfw9ttp -1a zitsj -/o bX telescope. If the telescope is limited to a length of 20z 712chxfs ze1,p4am9o9jit-aj/tc9w bpv t- 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 length 1.4 mm and an eyepiece yan/r q xe,.-xof focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart ar y-,ae.rxxnq/e 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 lenw plq+ zw+ 17)nknlb2ms of focal length 1.4 mm and an eyepiece of focal length 20z1)nl2 bnw7qm+lpk w+ mm, 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 microscopvmg9qqc* 36 m6ulpnmbv:* 1zyw74u tn e has an objective with a focal 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 the t6 *w61gzq3ylc9mu*mn7:v pvnmqt u4botal magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscopez ovtc-*/t-r;z- gtg r has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification ott*/or-;tv z-gcgr z-f 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 anz g+*vg8hqy5 u 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 justh+y vuqg5*8gz 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 o7a0ii l1xp )cn1rl u-xbjects which are 0.010 mm apart. If the i xir 10x upll-1cn)7afocal length 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 person's eye changes from a diameter mx1yei6d( ,gnof 3.5 mm to 1.5 mm as the illumination is increas(1 d g,ie6mxyned. 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 been placed into Earth orbit by38ltei:kk:z+7 3qempew8u- svefbd + the space shuttle. What angular resolution could this telescope achieve if the wavelength is :8 e3kp83meft+welsi q z+k-:vbd7eu500 nm?

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