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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 sv2/g+34m -pudg o-yus jqco k1hutter is open and the film is exposed in a camera is de2gmqv+ o1k3g-/sjcupyuo4 d -termined 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 came kfgt+d8a5kgo fs ,90cnz 9(ekra 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 d2a/:rew *npevaried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a / r2 :daewnp*efuzzy 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 cov c/* 4j4tivyoul(b2e wers the film with a field of view that corresponds approximately to that of normal vision is referrj 4levo(b*cw4y2/iut ed 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 1+mhc:r z( l8jzh0 ihoimages 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 than that of)+e;whlck 5xv the eye and through)lv c+5kw;xeh 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 hum3*vmsf x03sp jan 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 th po(ex 8ic6;b3wbqm a+3:cbikn q35r -rlts4 ie 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 obj,m j*xo6p15i (ym7 y x:ks*n, sxetkmqects 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 qcx ef;v7jcta:mn06;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 qt 3hxx-n( x*bcm00th person is likely to suffe mx(*-tth3x n hqcx00br from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us2:wj+ p iqqm ao4c**cg, t)kr-um 9bnoually 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 n 2ia; lo rlmo:(f7wj+v, +ugnback, this gives rise to a vision defect that caj:iwnavo +nu+;gl 2 (mol 7rf,n 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 is too x v2*05nqmogcb jk2q/ short from front to back, the person is likely to suffer fmj22q5*nkcv / b 0gqoxrom

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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 corr * )r4hlfldpk2ected 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 nt(,n;t5ah)nb ypr 1efrom front to back, this gives rise to a vision defect that cant5nbyrap)t (n, n; he1 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 magniizo ga658c/wf2f*yfi gz*i r6fying 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 veryjiw rqusu0)0a8 bl3: b large diameter objective in an astronomical telesco uu8bq:wbs0jai3r ) 0lpe 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 telepv:hje)f8t ff8x+c+ f ;kwm 6gscope. Suppose an opaque screen is placed in fromgvpx fck)+ 68thfe;f:j+w 8fnt 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 has uniform sensc b56kmx q:dq9ep wt/r;0z7aritivity throughout the visible spectrum, in which of q/7dxem6a5 rr0t zbc pqk9 :w;the following cases would you be able to best distinguish between 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 magnification o4.lx 55/oai*hcg qmd$m$. 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 great l6snyy: cbh99est detail when using a mh6lys :bnc99y icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer7b ,xs d pbfcn/zu(1(s 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 frw/bjlu-8:i y rom

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power oo9vqfx,er/tu n8u f4 ,r q,qw7f a microscope 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 its rcdhx- :. 1bcasa-ad 5iesolving power assuming that all other factors remain unchanged? Its resoli :.adadh-cxbc5a-s 1ving 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 (in8vrj ,c ehf9 06i ysx,lw,v/jgzld a/( diopters) will allow this person to see distant objectv/ la h,w, ,v d/xi68lz( ejyr9cfjsg0s 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 cm away. What porhjjf/d8//h wi5t 9fg wer of lens should be prescriw5 ghh9tjjr if/8/fd/bed 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 q9 sl/p 5lr+cgnrl(y,wxy 0i(wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close txcw9 r( gyrs q50/l(n,l+iylpo 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 oyh1,wx k-4 hik+pn/ad*l9 g yr2bh s1u;yn4unear point is ,gp 1ha yu2x;sy+h9lunybn*-h4kdi/k14 o rw75 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. Shezgf8 gufb2l tr2;3. rv places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of b ;t2ruzgfg2l.rfv3 8 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 bi :m vcym9mob. sr/+5newspaper held 25 cm from his eyes, if he wears glasses ofmscmi.b:r+o v9by 5m/
+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 ft) +e5uiai+eu ocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lentiueue) ia+5+ s 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 j * ecg) zikyt4;wx5p5person has a near point of 25 cm. What is the magnificaize54)gtpkc5*j ;xyw tion 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 lengt; q*;zege*cv3 3vdqpl h of 7.0 cm. What is the magnification if the image is viewed by a relaxed el*; *ve;q3eq pg3zvcdye?

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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 focad;tp2akhe5da mm ; m4+l length 5.0 cm as a magnifying glass. What is the maximum possible magnidtd+p;4e hm2;ka a5mm fication?

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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 lensu*rbe6iha-;(t x sng8 of focal length 5.0 cm as a magnifying glass. Whnu;r* 8x-(bsaeh ti6gat 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 fob-0k(tlof a+ k4cb 7uocal 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(otfak0kc lo+4bbu-7 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,v.i , 1e 38e-ohgt )v3zvzen 7)qxsnuj 8.0 cm, and 16 cm. If you werq hgzen xetin3j-)u87) oz 1s,.e v3vve to use any two of these lenses to build a 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 has a focal length of 200 cm and its w)jp1o-;6,wazz c.iarrf j7geyepiece has a for-w,fa7 p gjz.1a;rwz )oc i6jcal 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 astronomic(c;3, d- gs)b,0vmmpbeq:lf b1dflzmal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 c sgffl,mde1pc( 0, 3dbmvzqml; )b :b-m, 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-a qlri52 71ht ue2zr:h5bwtff8l4 n f 10. If the telescope has a converging lens of focal length 50 cm, whatt nt zua fbw254 l:-8rr2qffehh1 57il 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 telesco7l)drnlr v *0vpe. If the telescope is limited to a length of 20 cm, what is the approximate focal lengt rl)0*lvdn vr7h 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 lfd1;b+hk,,iq xos n1- bon.6kcdz- tkength 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 o, ,zbb6c-1h-dkkn ;dns k.o1x ft+iqfar 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 fop . g9a+cot 5q/j6i61srgn mppcal 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. Whamajtq1i59pr6g/6. spg cnpo+t 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 objectiu/tkbj 68z who5g+9f0 df:mtrve with a focal length of 3.00 mm and an eyegj/0fu dzwk rmt+8 6to9:fh5bpiece of focal length 6.00 cm. If 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 objective with a focal lenge*w7 q* uf(h 5qtux8twth of 8.0 mm. Wq*qw8*thf5uu (ew t7xhat 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 cld3 4e t 4chbi/.jiis7onstellation 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 (diameter) s 4dc.thl/ii43ej7ib 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 re97 ,) jodzchps4l q 8nptu3de0solve objects which are 0.010 mm apart. If the focal length of the objecti4,q zc8 ut 7 d)d09op3hjnplseve 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'sf)i5* (slp5wae/ y 8wsbx- (r,ntpdn c eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increadntw*l8,bs(( npfe - yscax/ 5wp)5rised. 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 Hubble Space Telescope has been placed i*:wvy9l/va to2 o ah,gnto Earth orbit by the space shuttle. w,*vaoy a:go9/ tl vh2 What angular resolution could this telescope achieve if the wavelength is 500 nm?

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