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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 isb0 l9ihsb)7iq/c*r q f open and the film is exposed in a camera is determi fcbs/b09h*qq)li7rined 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 iig +yh8v lu9og(h4mb1 n 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 camerf4v 1.y9;3clq usxkgk a the lens-film distance may be varied by sliding the lens forward or backward with respect to t .4q u39 ;1clfsxkkyvghe 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 the film with a field otk /lp/,w1gaff view that corresponds approximately to th 1/awlt/gfp,k at 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 images is referred toyf v*8klygd,rdbc+0)8d7 mag 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 o-obj y )fslvl*i: s+t.f the eye and through which objects appear smaller -iolf:v+b s) j*t.lsyis 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 i *yrp)u3im48 d(bdtk qs 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 ligk4; k+ppyymjh j*o;h(ocj 5x n.g67rk ht 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 obfkb /v 5::-+z1lr blrx iwu1adb*hwo*jects 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 s+) 723p2qtlqpb2f 4pdrpf oue ee 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 ,oe7 +t-zdg)x)c wnhc is likely to suffertho) 7dx+c ,ezcw gn)- from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually b47 wnmd5kx1 elg+g6 fue 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 longeu5 14 mdg +(xlvw2aef from front to back, this gives rise to a vision defect that can be correct42mlexd+evwg (a1fu5 ed 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 fron3n:fbs8zj/* cifn7fe t to back, the person is likely to sufff*s 38f cnben7i:zfj/er 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 witm k. 01*hp; ydxgv* rfa6a8klfh

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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 rise to a viscxf3zky .tnkew;fz8(c 58 p,fh1jy; lion defect that can be corrected b exj wkf8pfyz;cczn fl.y h5(t31k8; ,y 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 mag0* gmqowodz6o 0rx; a4nifying 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 in7u d4;q.96.rejx5 rilomfzze an astronomical telescope 69 7uzfedz.eiroj.;4q m5l rxis

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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. Suppcptfsp wp)a7vl97:e nc n+6 p*ose an opaque screen is placed in front of the lower half of the objective lens. What effect will:p*svcw e7f pc796lp)p+ nna t 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 speqtv2b,bryl/mi. j3 - mctrum, in which of the following cases would you be able to best distinguish between2b imlv .tb/3m-rqj, y 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 magnifica:kh:-t2ganq r 2k * ba7biw+pmcw,a)htion $m$. 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 greates4zkvwtn) :d)mr2d tk86q3 libt detail when using a microsco))d4kdzw: r q k3nvb682mt tilpe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer3ajyg/b 0wlu;.-d uvj 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 frnx 66sd5/jq wksdt ldnlv4 -22om

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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 microscn hkxhlydq4j8yb/rbe8edt 81 (*s7 m 3ope 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 it:: zv dvq,l,fev9xcia2se 7x cn0jv,4s resolving power assuming thacq9v7xinef sd vl 0cjae,4v2,, :v xz:t 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 fame9 1vp,osyv94lw.zpr point of 18 cm. What lens (in diopters) will allop spy9v,.o l9me4vwz1 w this person 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 objects2v 8y j,h6 thxvgv7zl- more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in fronhl vv2-y gvt7xhz68j,t 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 le7pxek(g jiuj,bk g 4ny6wk1 .-9ax4q jx d2ao0nses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyajn.w7j14p4xa d0egg( ,iu jk 69yxkxo2bqk- es?

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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 farsidas4dvv */x ;,ebg5lo ghtedness where the uncorrected near point is xe,l5db ga4s;vv/* do75 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 farsighted person is 10c;2;c /pcia- 7iajtg p0 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspapc;iic aga; p -tjpc72/er 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 from his eyes, if he wears jf2qd z/hw t ijm0x8s:p4z94n glassew8tn qm/i 4 2jz:psz hjdf94x0s 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 pe*gmsdnsot5- vw+ +3 yut *d:nerson has a near point of 25 cm. What is the magnification of the lens for tn +3v :uo*d-yn+wset5sg*m d 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 hasl/ 9rl/tctw4 s a focal length 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 focused at t/4wt / rtlsl9cheir 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 is the magnificatioj2)3nc gb qk ;uk y6b,mb7tu9un if the image is viewed by a relaxed eye?ug2);b3cb 6j 7tbnmk ,9q yuuk

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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 c+k wiij d8)0(pi(wm5 hxpf bi8m as a magnifying glass. What is the maximumi8dw( ip0xj( 8hp5kwb) ii+ fm possible 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 converging lens of focal length 5.0 cm as a magnifyib;z b9 hg ydow-m91; n8iv-foung glass. Wo1wfvhbg 8-d; 9i-ynzuo 9 ;mbhat is the magnification 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.et:zbycw h7*yun 5l z06gr 3c+0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope,cywycuznb5 *:zr0 hl+tg6 37e 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 chd3ktu7qm4 4 gm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the mtq374k gm4uhdaximum 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 ,;;t rb u9zqylfocal length of 200 cm and its eyepiece has a focal lengt,9utz b;;q ylrh 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 apvd0)e le76x /ivw ft-8 vq6zan astronomical 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 eyd xe)iwa/0l- 6e 6pqv7f vtzv8epiece?

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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 te i*f-orfug )2clescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting) u- ifgr2oc*f 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 teav1eg v57u++tmcpx qi07.gcc lescope is limited to a length of 20 cm, what is the approximate focal length otx cgv+me 1c7p u.0g cv7iaq+5f 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 of fochifp 8s*iq 6b4al length 20 mm, adjus6fb 4qiphs8 *ited 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)8z,irnr:;.3+e 3mn fqb . ppt obuytu of 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. What is 8r.yupbt p,q; inu:fe+tn omb) r3z3 .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 hasaqnt nt 7qp+:r-31msy3x6y ye an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are sepet ny7 3+pay6 1-:y tqxsnmqr3arated 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 barret *j6. mr ngn (6ayao8jvo.t(ul and an objective with a focal length of 8.0 mm. W( nm6.uv*j rjoa(. yot8gnat 6hat 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 constellat3f 3azmunr.hzq.n8 ov)(nm5 lion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallezn)r.v a3 3u(.zhol qnmf5m8nst 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 which are -:d 7hta+ fgkv0.010 mm apart. If the focal length of the objective is 4.0 cm and the waveleng hkv7: t-gfd+ath 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 ftjvsy;m:4l, am a(( hon 8lp71.5 mm as the illumination is inc8t( hjm:7oayv, llfnam p(s;4reased. 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 H ),:(a0czq s qa ucr4/kbsos c4ht(ez-ubble Space Telescope has been placed into Earth orbit by the shrq)4,uoccse (acz:-/0tza s4 s(b qkpace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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