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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  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 andzsncs0(nl b he+ (*uydz*8q;k *,ehnj the film is exposed in a camera is determine(e(,lz8z*;nss jqb0+n k *n* hhc deuyd 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 doxh,*o( -lvvq y,a)de7wmm /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 distance may be varied lc)cnbcm.qhn9c yg7w846qc :by sliding the lens forward or backward with respect to the camera housing. If, with such a cam7n. q8q6w4 cybmg c:)nc c9clhera, 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 fhf -mka m-f6c5ield of view that corresponds approximately to thaamh f-6kcmf -5t 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 to as aub(j wz9 o lpn3z5; /z-xxre:c

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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 co 4z2e)kj9zfr nk i0ty6vers the film with a wider field of view than that of the eye and through which objects appear sma0k49fz)e2rytnz j i k6ller 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 is a camera different from th zmf4yos6i +a k 0etu/14anf2se 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 by the eye occ ;tgydk2 l+kwk57laz6urs 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 eyeepa7z 1qpcc:9 vbvj y73ai.a* can see 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 wa74v 0t-cmqurt jbl;9hich an eye 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 bacj 6ff7l w2sij6k, the person is likely to suffer6 sf fl62ijjw7 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 gtfpg) -q k5:fbe 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 front tfcy,8k.tbo i )o back, this gives rise to a vision defect that can be corrkitf8,)yco . bected 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 pkagty .oz/z ;-erson is likely to suffez t./kg- ayoz;r 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 corre 2+k q;hcsufm jt36m;dcted 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 t:fuq-)ti07v shkk s8 lo back, this gives rise to a vision dst:uifk-h q0sk87v )lefect 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 vq q)+l*zdm1n 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 astroap)ks9hamw-jm a mx3)j3 +7vmnomical telescopm m3h+a7) w-mxsvaj9ajpk3 ) me 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 formedbx2i9fap7z*b7b g cs2 by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens.z7bs*ab9gibx 22 pcf7 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 visibdo5/ o1 ftvhac 8cgm3;le 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 objecd3m co5ht;/f 18a vgoctive 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 telescope1bf-qjl4j *wj 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 abk6bl k s*l(vam+i;k:kle to see the greatest detail when using l k;s6k+l:*iba( kmvka microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro w.t5jdyt94 9vnv3c xkm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffc/..ob lnj ux7er 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 thtl;3cb y85z qse 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 iz /c96 sy0-nd gxy (n3hgy(dp2 aip/szs doubled, what happens to its resolving power assuming that all other factors remain unchanged? d-ncg/gy9dp 3xs piahz(ysz 602n( /yIts 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 ohyal 9v-fd. e d2d61hbf 18 cm. What lens (in diopters) will allow this person to see distant obayeld db19.hhv - d62fjects 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 9zf szq:rqu o/b0 rkw7r+sp5z +f :hs/more than 70.0 cm away. What power of lens fuho0+r 9:/ps /szqqbrfk + 7w:z5srzshould be prescribed if the glass 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 whuwpcrn 92qohcz (o50xf78i0w ose lenses have power of -0.15 D. What is h0woz5c0q(ir 9fn owc pu87x2the person'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 ne i2f4wxcu9,zq;j :tvm (zpph 8ar point is 75 cm?f c( qiz9mh z,:xp4tvwpu2j8;

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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 fad5dyn;aywl a7- 33vd(m a(cddrsighted person is 100 cm. She places reading glasses close to;wdnac3 ((mavd-day3 7dyld5 her eyes, and with 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 can read a newspaper held 25 cm f4ury4-t/m v ohrom his eyes, if he wears glasses ouovty hm4-/ r4f
+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 ay,eclbhhz 4qml l o.n.g:(58 0ru jbk2 focal length of 10 cm. A person has a near point of 25 cm. Wmn lc:ylo q,r5 u8.4(b20glh bhez.kjhat is the 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. dt.9x3x31 l5iud m5q y)fgkreA person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focus y r35mt x1d f5l)kud9.eg3ixqed 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 is the m;(amf tgq auth*oh8p)62ju 3 wagnification if the image is viewed by a relaxed;mu3j 26aa)w (gpo8tu hf*htq 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 6/kok84 zaw7g-aph.eit kvd6of focal length 5.0 cm as a magnifying glass. What o-d zg646ik/e 7ht wkv.apk8a is the maximum 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 magnifyingezpt)ah0) re0yypn9ag;x np 10vt3q: glass. What is the magnifp ) t;g z30eye varxtq0n9anpyh 1p):0ication 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 focui/:b 2,c gx,fhvi 6zwal lengths 2.0 cm, 4.0 cm, 8.0 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 could ach6cgzfx,bv i2i/w ,h u:ieve?

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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 cmqrdpz62n-- jv , 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 magni-r d qz-v6jnp2fication 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 .uczeysrm yp-uhfg+s076s- b,uz3 1ha focal length of 200 cm and its eyepiece has a focyh 7hz0 g-sfeb mr,- + u.1ysu6spc3zual 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 as3a,ac2s0qeq r;q1 nqkaq+h , ytronomical telescope with a magnification of 10. If the telescope has a converging lens of focal leqnsyqe,qk0ca; a2+ q1,hr q3 angth 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 of 10. ;y4 usnx 4q) oi2fom0k If the telescope has a converging lens of focal length 50 cm, what is the resulting length4m ;o)0xky sn4ofuiq 2 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 telexgui,*y ns77lzj 5 g4dscope is limited to a length of 20 cm, what is the appnj5gz,7uld7xigys4 * roximate 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 of foc6icpkj5 izwyv5:lc- o 8r:b,x al length 20 mm, adjusted for minimum eyestrain. A blood sample is placed r68jo w,c 5iip byz-:l:vkx5c1.5 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 obje4d g53nlc3u nx0tl 3-lnpxn/pctive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 15-p/3lnptdu3ln3 0clnx 4nx g .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 obwlc9 (xk-osy68 a zw.yh *odw+jective 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,ca6w owkd8( *h9zx wosl-.yy+ 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 2d8mk02 2u:l ,g8nw-wskbu:nk mjrsn an objective with a focal length of 8.0 mm. What is the focal length of bm2: 8 lk2njgkksws:,0u-2 u rmnw8ndthe eyepiece to give a total magnification of 240?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system inyzv*ef * -r7wr the constellation Orion has an angular separation of 10-5 re-frz w*r7y*v ad. If the wavelength of 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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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 0guu99vek+ie88d*ykik 3s8 ss .010 mm apart. If the focal length of the objective is 4.0 cmu9i8ee*vig3ukkks+9 8 s sdy8 and the wavelength of light used is 550 nm, what is the diameter of the objective?

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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 1.5 mm as3oak1 hrbdq itb7 -+/j the illumination is increased. By what factor does the minimu qjtb h-71b3 d+akroi/m 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 Hubblcgw,x0 fvm. .ee Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 . fxc,ve mw0.gnm?

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