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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 the film is exposed in a camera i)e *yxrhxy1+ ocvz agb*:+gw:s determi:+*b1ayc) xhyw+gvxrgo ez:* ned 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 detel);h8lgo4m wff2, okwrmined 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 varpzwkw izhs h;r2:.06ried by sliding the h; wzz.w2:i6h rp0sr klens forward or backward with respect to the 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 coverh.vllexr g )(8su1 3uzs the film with a field of view that corresponds approximately to thue31 sl (v8xl)zuhrg.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 imfm6-jxt*d v n4ages 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 with a6nfds8 l580yvy5*lxu zkkq7h wider field of view than that of the eye and throu y687l kuzdny sx0vl q85h*5fkgh which objects appear smaller 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 5vsv+eigl 0 9:ewu4 j2obmz ,ya 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 li+6pp. t*ljzv/ij7 kwrght 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 whidvrdz- ud s9sc/t.(-wch an eye 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 which an eye can see objects clearly oid27td0b ue 0z/2agx 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 bac2kf pr (5f1/ pv9wpt1rfvnu1jk, the person is likely to suffekrprw521 1fp/1fv 9(npvjutfr 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 be correc(wa3 k 1ie9picted 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 to back, * wsr8hf8+ ui)pwy.o 6htkk2i this gives rise to a vision defect that can be corrected ourii8+s8ww*.kt py 2hkf6)hby 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 pers ro 3gsg9kp0.5ulm a5ron is likely to su k03p5g5.gl armu9ors 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 be635 y(2 wq *agcnkumdb 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 rise(xjtu09afd,rd w;epy ou6qc4u up 07z-ph74f to a vision defect thc7-pxauz 600yje,pqwopddu94u( ;4 r 7f f htuat 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 glas)f2rc5zji 7 pwql6p b,s?

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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 6aj wwaa g*vny:h-r*4 ks 7*hcan astronomical telescope isc*asag*7w n4kha- v h6y jrw*:

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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 screbaayyv50yl cb 6g --0 ml2azc9en is placed in fronc- ymal5 ly 6bg-a c0az902vybt 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 q6hjrt sf 6k(mo.9zw;hg+c z ;has uniform sensitivity 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 lenr(mh.9; owfzs6ztg jh kq+c ;6s 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 ha5oj7sie.z oyg )3bgdxph(94e) aexl2s 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 y,b61exe + 86w eibphjpou expect to be able to see the greatest detail when using a w+6iep j he18bb6,pex 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 bnz hydpb7 v p5bn):,6from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frotin )* hee n)zga4d/(zn2mal.m

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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 (;ecyhk qor uz.l/o80 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 its res9:qb)wu.(:jcpkg c j zolving power assuming that all other factors remain unchancwzc (u :p.q:jjbk g)9ged? 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) will alpd*ce1ghpa) g0d9) ey9srk27 d27odudmxtv9low this person to see distant objectsdep2gd9drok279 vy p0dmhatxs *)egcd)79u1 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 ,9s6cky gqhlm0 e6u* zwt.4jfi:zdd 5clearly objects more than 70.0 cm away. What power of lens should be prescribed i,mq.*4g ue yjl5 zz6dwfc0k6ih9dts: f 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 gfs(ip;lky 9z0lasses whose lenses have power of -0.15 D. What is the person's far py0s9 p kzf;(iloint 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 needem7,: ,l/l ttaaqz 7nwsd to correct for farsightedness where the uncorrected near point qtalz m7, sa7n:/wt, lis 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 farsighted person is 100 cm. She pla 9x/o r1v1jjxcf iko.(q w,6l(6fkm wrces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lekxkjwf irlo,/wf6 v96r 1j( qmo1 .c(xns 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 frorvk3uuofzd n:.3 y le72 9iui y.bdo1(m his eyes, if he wears glasses uuy :(9 dyiluo73knb.3. 21i dervzofof
+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 fo gcp 8vjxh6iw-/)or:u cal length of 10 cm. A person has a near point of 25 cm. What is the magnw8vo/ ixg -jcuhr:6p)ification 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 c(2xvacs5a d p e+2g;hem. 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 the a2h;(25ae xe+cg pvsdir 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 magnification i3 1,7 c hpgbtwl p5ujqe7a2wi0 30syhuf the im0y te,hu uhpg2 7cs3aww 1 73jb0ilq5page is viewed 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 focal3 nklbu*5db k/yq x8;c length 5.0 cm as a magnifying glass. What l*/uxcb35b8 kqdyn k;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 convergi 3aphq6hg (v)k .:foku0 b)xaing lens of focal length 5.0 cm as a magnifying glass. Whathou kv pa kaxh )3)q6(f.g:bi0 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, 8.0w 5k m0xdukn:0 cm, and 16.0 cm. If you were to use any two of thesum n0kw5:d x0ke 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 lenj na-b++k ctb7ob.r( qses of 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 maximb +.qn-k+ otbc7jrb (aum 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 20 6+vpop nzmyq,lav 02-0 cm and its eyepiece has a focal lengoz+6 m-qpv2l0anp y,v th 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 wit nr4gckrs6-w, h a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of 4-cnwrsg, r6k 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 astronosqp(e(qny n,7cf46 6 qva6zp dmical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopenv6 n ,pcayes6(4fzqd p76q (q?

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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 k-p4ca gton,fy 6oe3*telescope is limited to a length of 20 cotf3oe46gk ny ,ap -*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 lh:pu hgntq2c 4i;y-c9ength 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. How far ap-9c nh;4hgp2yci: q utart 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 andqcz/ ,dzvo3m 8 an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What8m/o qzzvd3,c 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 objectivyblx/)n1p kw 2e with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. Iwpx)l n2 1byk/f the two lenses 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 objectivuc,5b, tzbai, w,c a 8wu/.cive with a focal length of 8.0 mm. What is the focalzautcaw,bc5v,. /c iwi,u8,b 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 vixk)pg.32i b the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture pi3gb)2ik . vx(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 0.010 mm apart.ks/;z a ukt)(sw)gv2g If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 / )kgza)s2vkt( wusg;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 zh lep *79 eojgw1dqb0oz3e+/of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle o 3oj o0bepg17wzzl+e /9ed *hqf 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 org6i7w2q +ekpyk 1h)rdbit by the space shuttle. What angular resolution could this telescope achieve if the waveler)ygq1dw2+h7ek 6p kingth is 500 nm?

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