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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: 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 and . up:hf8n*s dnqt8fu3goq 0o)the film is exposed in a camera is determined by t. 38 o q8f0dqt uu:n*ngh)pfoshe

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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 thex,*.xjjpzww lb (z fe-2+dqq)

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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 corckbe/rt ,z4 bj+9n 9amera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a ebj+n rc,94oztkb/ r 9camera, 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 of view that corresponds appr0t27u0csshpl / 1y(aqn zs* g32xiyigoximately to that of normal vision is refe * 30ixu7hyipss 21q2/nz 0(ysaggltcrred 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 rwp73 n,cwb9),prw7wm.fuz/ uaqi:0thj j7vy eferred 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 tpm( qwvr:8 -+-mbkprihe film with a wider field of view than that of the eye and thrm:b-k pm-iq+vwr8 r(p ough 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 a camera diffa y)l +,8aafjgd*(qyierent 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 light by the eye occurs at -elbtg9zda- ;: bw9dc 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;w*2;d x puhhj 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 wevqxc(p 5;cx 6hich 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 back, the person2px22okx+. ddc) . awbggolr , is likely to suffer f, bod 2c.oglk+w2ga drxx)p .2rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us:adus, nb+ va/y(6s vpually 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 long from front to 5 y6qgdut majsvimljo ,;4lsmu(94* 5back, this gives rise to a vision defect tham4sjyuv;omta( gjdq4 5s9,ui6l 5 *lmt 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 is4i /97-o6o+mkx noyei- z pfdu too short from front to back, the person is likely to suffer u4ozneo9d7i -+ kxf y-/opmi6from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallmgv*cd8u6 /r3mnfp9bri5 bq )y be 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 robh-z 8: ndd*cise to a vision defect thc- d z*o:dhn8bat 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 m hzhd -s 1lm1lheep-(,agnifying 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 se . bdey03aj:an astronomical telescopedejs:b3 ey.a0 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 refravknx v(,t,:7wepzf x, cting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Wh7 kez, tvvfx,(:p,wn xat 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 visik0/jy 1ip 6(qnb.i6a yr4 atkjlj9wx-ble 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 thnj bak l yja66yj.x-wp/k q0irt(i419e 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 magnification zy8s 5i/shi(lcouv //0ejkif,* k (a p$m$. 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 wouldtf720:xzr lf*2vt)p nen 2l ox you expect to be able to see the greatest detail when using a mic):f2o2t*p2e x z nr0lvx7 lnftroscope?

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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)-j)waxhy7u /zm is u3m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffblm*n :0 js ftdobx*85er 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 ref,)xur83t d.kcru lhz-ygl4 ( ders 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 rada kg mg--0vm;ixp50w03wts cfir dish is doubled, what happens to its resolving power assuming that all other factors0p0t;53k0gwfi--sg x mi mcvw 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.x wtrf+z6za / 18 cm. What lens (in diopters) will allow this person to see distant a/ zwt f6zr+x.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 objects more than 70.0 n4sve*k8daj(zs l rv6r2d+4 scm away. What power of lens should be prescribed if the glass is to be 8ssj4s4*rv6z re (+an2lkdd vworn 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 h c f)m )t6nvu17ib0yutave power of -0.15 D. What is the person's far point if the glasses are yfbu)c u610tn i v)tm7very 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 fa-9w;v ke: efzirsightedness where the uncorrected near point is -i9 w:kfvzee;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 personlkedhd+ 4vwjk9 (p:6 o is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distanjh4v6kke p9w (: +dlodce 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 hb :ss8sidzkf t *-93tuw/hsd /e wears glat9/*-skis:std dub w s/f83z hsses 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 person has a near po; vp.8 ekt*hiyj8 yxt k3+rc*qint of 25 cm. What is the magnification of the lens8epr t*;yxkk *qj hyvct38 +.i 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 point of 2wx8*g:oc 9o gl1m;bok5 cm. What is o9*om g8k: ;o1gcwlxb 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 7.0 cm.6vgfg,oh*azvl97s a/z3+e k ,7jhq xg What is the magnification if the image is viewed by ao7h q h a6g,*+kzfvg 7,9gsevzjx l/3a 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.tq8d 42 (ebt 5)8nxdvdm ykqx- What i 2x( y8dqv4 qmenbx5t)8ktdd- s 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 magnifying u*k8f q b; ,wmpcpck*-glass. What is the magnificatioqpc, f**;mk c-8b ukwpn 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 26 ill,(og me70ug+lkw .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 te0 eu+mk7oglwi l (l6g,lescope, 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 leng ;emhw sd)mw,(ths 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 separatio)(md;hm ws, ewn 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 20xltodc z*4)oviw* lt ifnl s278/v(7c0 cm and its eyepiece has a focal length ofltwlv7s 8* 4l(72oxnfd ctizo/iv*)c
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 f gbj4d wvmr4( a0;3jzmagnification of 10. If the telescope has a converging lens of focal length 50 cm, whatvjm4jbdrz43; fw(g 0a 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 magnificlwm1) )v o77gu+ni 6ihcrhp:oation of 10. If the telescope has a converging lens of focal length 50 cm,r1oh)7c 7: l i)mhvgpuw io6+n 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 10X telescd;(cf6f ) te4 ey *./sgie fia/hkvi:uope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of theef.g/ *i(yhvc fa/ d fsei:;eu64k)ti 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 lenghz):d ;q sqaz/th 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 apart are the lenses)zs ;zq h/:qad?

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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 ywuo2k7w(bj/k4b x e9an eyepiece of focal length 20 mm, adjusted ou/2w jky w794(kebbx 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 microscope has an objective with a focal length of 3x0uj1 w)(ur c.zy3od y.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificzu(o 0ywjc)yx1 dru. 3ation?

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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 focal lent)ks-x pg6neuk,6)*o m9o qgcgth of 8.0 mm. What is the focal length of the eyepiece to givx6gq,usk)-m og*) 9eocp t6kne 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 sepa:g j1b9i/t,4b ynho+ lnm1ww aration of 10-5 rad. If the wavelength of the light from the system j hy/ a 1obw,wm9i1nb+4ngtl: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 microscopwlg3d k7d.3t*9+vrx ahlc8 nve is designed to resolve objects which are 0.010 mm apart. If the focal length of thelvdn8k9gxc. vd 73lwh 3*a+tr 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 of 3.5 mm to 1.5 mm y.ey0 mem8t 4 vuaffg4p .s3q9as the illumination is increased. By what factor does yum9304pf fsyq8e.tvmge 4. a 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 Spacexh7h/5hpuqhq m79 1dj Telescope has been placed into Earth orbit by the space shuttle. What angular resolutihu qh9p/d5hq7hm 1xj7on could this telescope achieve if the wavelength is 500 nm?

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