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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 is d- e*x0yb e(.h3l.ksz omvs-qm fhes35 etermined v.qb0-mke5lss3yse3h (mo xz he*.f -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 the9cc.v hf5hkg *t:nu)s film in 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 camera the lens-film distance may be vxd 5knqs2 :ls 2r5-zrfaried by sliding the lens forward or backward with respect to the camera hokxsl s:qz5nfr-225rd using. 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 witt3jaf 0wv0krq2l u0 xbk h.a:z)q)1xeh a field of view that corresponds approximately to that of normal viz0)lwq2xa3hrt1a bqk:)u.0xe v 0jkfsion 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 f. 1p tt(7/saxp w3ioia 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 with a wider field of view tha t3* ou gdk*btu.4wja*n that of the eye and thrt o3 k.dwt u*4g*a*ujbough 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 different from the humavapam8w)6o u 2n 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 ligi l,qh,th4 7ohht 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 /f4wfp5f (tkewhich 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 distancedn 3kpz2 4gc f ihgicaako3xuasx139u:6 )-*l at which 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 person p 6,v kw1/*invooon,c is likely to suffe, ocov/v6 po*n,1 wnikr 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 corg 2bgcyc:(j,9q/ hqyi(hmd8 yrected 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, this g0dnbx(,6nri y 3 dusc,lf4uo5ives rise to a vision defect that can be corrected durldnic4,yuf3 obx5 6(n,s 0by 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 shorbgf)d e 0jzqw5;lezll ,i4d/2 t from front to back, the person is likely to suffj/bi el;q25 4,lfzwde) lzg0d 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 correcteyunqoe 8/2x2gm)ub6y d 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 fa99mcfq;( bb eront to back, this gives rise to a vision defect that can be corrected by ub (bea9q;mc9 fsing

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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 glaa)lo+. )4r kny0qt9be m qe6jxss?

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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 c xg i* fyt7+wl,nf3/1d3mqara very large diameter objective in an astronomicalywx+33qt gi7adn*rf, /lc 1mf telescope 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 texm65 3nq jy+mclescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. q6x+ my35ncmjWhat 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 sensitfz5pmyw - t 8x-x wokm*;6a9beivity 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 objectiveamte;fx8 wkyp69w 5--mo bzx* 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 magnificatit7xuw6zhbp 8+ on $m$. 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 i8zy ypc:0a/i)n.nls detail when using a micronl/: ip )n. y8z0ycaisscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro798 f)omeu8 ogm e92wz.s aazom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer f)k2vr xf) us8c,adz8grom

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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 microscopelu0os ay:7 qa2g+ g5sj 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 u )yv2vy6l bkoa;tk6*doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolving powerlk6*vaky)t6u b 2; vyo

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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. Whafo,v,6 ya6 yrwt lens (in diopters) will allow this person to see distant objects cle yyo,wvar6 f6,arly?

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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 objs.b ckv7gc*o7;+ sf4zd inr7y ects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.0 4.;dccn77r ybokgvs f+i*s z70 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 w e1ny8mmpq:kbwz6x n4p,u9).tw fn7 yhose lenses have power of -0.15 D. What is the 7fpbu m6qw :. m48 n)1xw,9ptnykenzy 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 uncorrelawq8 fy7avb)g ky337cted near b7kg ya )vf3l 3qyw8a7point is 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 places reading glassesexp;1 3igpex6 q rju1: close to her eyes, and with them she6qxriux:g3e1 jpe1 ;p 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 from ejc1ju 2b/4vwzf8q t8his eyes, if he wears g8/c28 jjbuqvzeft 4w1 lasses 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 ofne .mqqn/-0 gx 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that-e .qxn/ 0qngm 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 p6,0 a)au,sw;eu thintf vi47has a near point of 25 cm. What is the magnification of the lens for that person u;,tafvs )iwu0e n, t674ipahwhen 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 ag0ba* r,quzp+ focal length of 7.0 cm. What is the magnification if the imag rz+*aqu ,bpg0e 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 focal length 5.0 cm as a magnif e+y k rrqeh::r5bu9u;ying glass. What is the maximum poss beu+ 9:rqr5 rk:hyue;ible 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 lenus b;tuf5vu421w y+cr s of focal length 5.0 cm as a magnifying glass. What is the magnification if the per+5t b1vcy 4u;uwr2us fson'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(i pyg:y 0wz6w lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of thesiyzw6y0: wg( pe 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm,exw -*y93tdbj and 16 cm. If you were to use any two of these lenses to build 3w*e9xjy db -ta telescope, what is the lens separation 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 ha- ( kdraklm*y(aqy 6t5s a focal length of 200 cm and its eyepiece has a focal lengtk al5*ar(myy(q dt-k 6h 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 astrono**j awb *ts +wab /vek.ay+oe-mical telescope with a magnification of 10. If the telescope y*a++t * o w/wj-e*as.bvk abehas a converging lens of focal length 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 te,3mac xmey(zf s6d,a 6lescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the 6mdaf 6x, zemyas3, (ctelescope?

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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 teles 9mzxqco-.97k 6dzsxd cope is limited to a length of 20 cm, what is the apcq k7 zxd6d9szxo 9-.mproximate 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/nv9.3b qgqa c9k8vxr eyepiece of focal length 20 mm, adjuqvr/vqxab.3n9 9c8kgsted 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 of focal lec/c 8psshqdugp60ey+ts g:6f*wa (j( ngth 1.4 mm and an eyepiece of focal length 20 mm,cg h :jd(/a6ugest*cpf 0pqw( +6y8s s 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 microscope has an objective with xyq;zx; *y3 d b)3(5a1rd art3pgqziga 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, wh3b y*grqyaa3xt(d13qg;r5dizzp) ;xat 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 objectiv5 su3sn gdmq4wqs1 ;p6hkdgsv/n b(9.fs8 7et e with a focal length of 8.0 mm. W swmqpds;h(67nvksu/b d8 g 3nt1egs5s49f.qhat 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 theq/zt/q+nqxg84 hd za8b1th/g constellation Orion has an angular separation of 10-5 rad. I1/+ 8abq4dtt/qhng/zgqzhx8 f 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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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.efo)6 kuhp.ewpd1 v8/ 2e*tsd If the focal length of the objective 1/udewev .k *eh6tfop 82)dspis 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.pjlk7 ard 1,rty38 *gr5 mm as the illumination is increased. By what factor does the minimum angle of re,yr *lr38 7 gtrpkadj1solution 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 lw*-wdl/xxcgq/, fpxgk o-.1been placed into Earth orbit by the spac1 -/dxgx-* wpqw/ ok,lg.clfx e shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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