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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 o3lx/i x(qzjzv a;jd*0 oi0d/open and the film is exposed in a camera is determined by thexzij zq;o3al/ddi*00 x(oj/ v

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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 -t sz9bskr8w5a 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 distanc/nbm3g-i g+n.m0q hkr e may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this means thakgin3hg q-mnr/+b.m0t

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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 withl.fa9h+d ,w dn a field of view that corresponds approximately to that of nl+.h9a fn, wddormal 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 image8r1 u9 wf6bpqn6ijm8 . -ingqjs 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 ofdl )gv 05ktuu7 the eye and through which objects appear smallevd5t u lgk0)7ur 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 diftptv;0/qk0wfc.s lt /g , 8uatw0 fl.fferent 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 ths i+bwh3mh4(fe

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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 cansf0 k0 dbwys/kp vjs0b0l r0). 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 ao+pm* )pr/r9 blo/5rg w:/kecopsy f(t 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 is li(:qrqw h 5)ipikely to suffeh5w qi(:prq)i r 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 correctrj+p(u,q2a olkn * )cted 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 bac7nm)cuxb*1 t6 .k hbwlek/)u bk, this gives rise to a vision defect that can ukb1)/mltub*7nk b6h)w.xcebe 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 shorw/*y c 1z,a) rw.etepst from front to back, the person is likely to suffer frozay t. pe)wew,1r/*scm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can u( yd)y-roi30 wie(gxg sually 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 r *g/phbj 2:/tw5qjcrto back, this gives rise to a vision decj htr:2 r/5 p*bqg/jwfect 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 mf 7cz:i 3:g)apwevn(9hij v:iagnifying 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 diau,d o5ixw2(ma meter objective in an astronomical telesco w i,(damuo5x2pe 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 telescope. Suppose hx ds/nl 5bcwu01r: -r0zpa7 qan opaque screen is placed in front of wr z1/0cnpu5: 0b-xhq a 7rsldthe 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 uniforc* ,rtan f32 znaz58- zmx6cqgm 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 lenmrfc,6-z3z t z85aqca*gxn 2ns 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 telescop+mh ts qu, q-0q u kx1.ngi3z+ujwa+e9e 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 able to see the greatest detailykcgd )2;98 dil-1yb pbj4dc f when using a microscope?9fpbc 2j ddbli1k 8g4-c;) yyd

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer2 t5 q.k 5mwezlmogau0v (5tq2 from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffm75. fca-tpm ymbe, v:er 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 ooem72nr b* :idf 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 happe8.--vdgd v3equm bxolzy o3/6hed0 6 lns to its resolving power assuming that all other factors remain unchae-v 6d3gz 3dhb.q-y ll6x0v/d m8 oeounged? 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) a5v7f f ba2u( 9hxjl(zwill allow this v59au( a(zjlxhfb7 f2person to see distant 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 cm away. (2 ,),z7uudbtp lvm cwef:y4hWhat power of lens should be prescpu,u:ztmw h ,fl4dv (c7ey)b2ribed 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/m tumyqtux.ig541*b zx i1x; glasses whose lenses have power of -0.15 D. What is the person's far point if the glu xmq y/imt14t5gb . 1x*;zxuiasses 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 q2h dcdm576r) z; bqq:n. +zgvrg 1uvznear point is . zg2 g:rvm)v ;7c15dh6+qzqqdrnubz 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 pe(v:k 5p 5alwlzrson is 100 cm. She places reading glasses close to her eyes, a: lw5l vzp(k5and 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 up;3l1aa eu2 :dfgmf ,can read a newspaper held 25 cm from his eyes, if he wears glas1aeg:l m; 2du,uff 3pases 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 point of 25 y phyg,ef/ b7v1nqjke:0+;vyj4v u z8 cm. What is the magnification of the eyjp uq,fvj:0;n1b48e v /ygy+hv7 kz 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. A person has a nearqa+s(q;f mx v: point of 25 cm. What is the magnification of the lens for that person when their :fqm v+qx(s; aeyes 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 lenf6r*tpli(8gs h; w ; r;tc5xtvgth of 7.0 cm. What is the magnification if the image is viewed by a relaxed(g6;pc;8hvti; tr t*s wlfrx5 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 magni ds)mr 21v,o9wr+ zmhsfying glass. What is the maximum poszdr+sr, m9)2v s1wmohsible 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 avd6a i2xf8 vkfugw*8; s a magnifying glass. What is the magnification ifd 88iwvgka6 *u;vffx2 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 lensec/ecbu81;- bi5qqx zra yvn0 -s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these l1/n5xqyv0; uziq-c-e 8 b rcbaenses 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 le.m gs 5vt-qem:ngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were m.q5egs mv:t -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 eyepieca yna-9 w.mpol)a 1;ace has a focam; c aln.9wya-poa1a )l 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 astronomical telescop;3: becb-f t91 uh9.jr6uf(bkw toz fie with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, thrfi:b uzec1u (bt;fo.9 -wf3bj 6k9what 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 telescop bq8 grbv)rmk,e(+a g7e with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tkrq7b v)gr+a,b(e8 gmelescope?

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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. Imj.0h xq ko:nt5vtnu3-kf)j 9ij,j f/f the telescope is limited to a length of 20 cm, what is the approximate focal leno)-9thx tj j fj 0q/n3,kki5 m:nuv.fjgth 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 fo3pdmere*u* 5v cal lee*u 3pver*m5d ngth 20 mm, adjusted 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 length 1.4 mm and an eyepiece oh9fn.+gga ybou-g6v2 ;hjgy2f focal length 20 mm, adjusted for minimum eyestrain. A blood s2 na. g fg-vb ygh+o6ju;h2g9yample 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 h pnqn9w1;uc /s t5.wj niy*s(sas an objective with a focal length of 3.00 mm and an eyepiece of focal ly/sn9wu*ninw.t 5 1s s;cp jq(ength 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 awr e )1f t+/1c(pvciy -tl8jra 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total wr+l (rtc/c11-)iya vej8f ptmagnification 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 vsn ;l1y3cf4vk zpp g:4,d /krseparation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope tha sk:kfv yp,p14 lcr4gn z/dv3;t 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. 2xhc wzye 05p og2hq2p(/(ix cIf the focal length of the objective is 4.0 cm and the wavelength of0iyg (cqh(/e2hxwz 5c2o px2 p 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 eyfjoa )(c2hb j1e changes from a diameter of 3.5 mm to 1.5 mm as the illumination fajo) jhb 1c2(is increased. 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 Telescoh6*yiu 16i xblpe has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 6*i1ubyxi6h l nm?

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