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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 /n/0pnui u 7iebscna(*/ am-a exposed in a camera is dete*ena(0bu un-/ /7aapmins/ci rmined 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 dete6e:h8-m6e :s t)frjbegbj)j frmined 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 varied by slid ,qhbh7mx;/qjing the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obmb ,;jh/h 7qqxtained, 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 wwjl-edc / x7 khyiwn)+.c z/4a field of view that corresponds approximately-d wj z7 lh)iy /w4+w.nce/xck to that 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 telesa .((kber/ fdhqcs:mf5 /wq( ocope 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 widereqqv8,mq 9xy) b .04p /xzalnf field of view than that of the eye and through which objelxe/bqqmp) .4zf 8,a0nq y9 vxcts 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 7qdzo;g6j+ec t v3u:zhz r.8la 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 light by the eye occuv7cr*w7ss d(tb;3vn 1oi pxo*8h 6puurs 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 objects c(vbvx 4*i inc5learly 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 objrqi7 idw,w)g; x+ox-g hdw8w1ects 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, ro+a-t t3dm+foic5 1 mthe person is likely to suffer fro t3+dr m-aoi51+ tomfcm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us5yqsltud *op(zj o 2z : l-7imxa6*k)rually 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 longbm ( z+hdj8 iqo+v/wr/ from front to back, this gives rise to a vision+d +j v borw8qmh//(iz defect that 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 is too short from front to back, the person is llxexa58vtuj +ftr7 9ex8r.f- ikely to suffer froxxe8tte-+r 7a 9f. 5f luxv8jrm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usual-bv t3wniks: (8ajt low01;qlly 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;ma0qmy x7hfq xh)* l* is too short from front to back, this gives rise to a vision defect that can be corrected by ahq)l7 mq x;*y0fmh*xusing

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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 gla a9bqdqj4;gc 2hd6 q1vss?

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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 diameh z+3/zm54;mi zb5xleq dzc u(ter objective in an astronomical ;+q5 zi3 mlhz5zx(/m4bdecuz 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 foryx;5d 4jcrj 2)vcbrl-med by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Wha5vdxjjl;2 b4 c- c)rryt 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 sensitivit 9r*g-u9(ohsngf flv6y 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 objectif96gsg(-hour nl* v 9fve 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 magniftpti;p5- v)jn:9yjw )ihtl b1doa(4y ication $m$. 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 detail wh735yozbn, ) s: cecvlmen using a microscvc3 e)b:con y,7ml5zs ope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fy:pd5z9rnk nhv z tqe) 7(wp).,f/emhrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sucs +8u(:wyp+si a28wjcr+ k (wq+qhhtffer 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 refers to the a -l(jm eiw3dchxxw ifb*(5;s;i3 /rmjbility 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 happenr+pmy0 a1gn*s s to its resolving power assuming that all other factors remain unchanged? Its re1ar+m* p n0gyssolving 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 (1nvedcwg*g iu2.u, bw gdvyfo:.m.lr;g; /k2in diopters) will allow this gv/cvuk1m.iefbg2ow:wu dny .l. 2;,g dgr ;*person 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 708+nr3qj k7 guj u4sz/ogao2)v.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front n/jgk+)8 ua zoosuj4v r3q72 gof 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 personvq-7vbs,z 69,xfu brv wears glasses whose lenses have power of -0.15 D. What is the pq b fr z-vx,uv,bv7s96erson'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 wher3b;k h1 5yzd+5lj(cmf ak-noee the uncorrected ne+ kh(n- yk b;cld5jzam1f53eoar point 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 r5wde ;bzvm f6qfg 2s,,eading glasses close to her eyes, and with th2 dbf6qw s,gez,f5v ;mem 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 can read a newspap,/r0ocbtqv 7z4 ku ez1j7 s,crer held 25 cm from his eyes, if he wears glasses of,srzq ,j1o7/cvu4ktrc 0zeb7
+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 upohma08mi m3rr6 z4/person has a near point of 25 cm. What is the magnification of 4zo 8pmm0u/ai6 mrrh3the 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 le4sv+f*ku ; gyrv(,pj(i1 ji qbug93b cngth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their ey3(,ib gpu+1ic br9vskg(fujq;v 4jy*es 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. What is the magnificatiouv7izpg)a+ f+n if the image is viewed by a relaxed i7+up+ga)zvf 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 h +6-zuri;ty slens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificas+ uyrt -zi;h6tion?

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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 ma*0x 4p apvga4k hy;g2zgnifying glass. What is the magn2k* 0;vpzg44pag hyxaification 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, 8.0 cm, and 16.0 cm8y r;)y yqbrexxmj:, :. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achieve?:y jr , eqm8:xr;bxyy)

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available l x.lijgu8;hi67gbg*o enses 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 l6i 78*ob;g x.iglgujh ens 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 anzsd1pljq; to9 r hgdk 3cfjzo/f62e 8+k--, gvd its eyepiece has a focalfj;-c 3dkv zftk9e+p-jzrs/, 1 q2ohg6lgod8 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 telesjr2 qe8j4i51ek; z iftcope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyeikr8zj 1; 5qee42t ijfpiece?

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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;(zm ::m; we +jvtxhwj magnification of 10. If the telescope has a converging lens of focal length zwvwx+;hm: t m(je:;j50 cm, 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 telescopes-wx. q/mp 1 stslq5x5+3snz u. If the telescope is limited to a length of 20 cm, what is the approximate focal lenusq1 sl-q5wxx z. sp+t/snm 35gth 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 objectl253 m 5 nqok:agol8biive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eye:5mok85nl 2i qag lbo3strain. 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 lensku 0v.qn3hcg:d s+x r) of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestraidhncs. )xvr 0q:kg+u3n. 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 3.00 mm anq4jb4txc e 7w2 vjprr2-;qt/pd an eyepiece of focal length p7/q-r2 qpej4 v wjc;bx2tt 4r6.00 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(c 6jas58(rxt 9ipliv a focal length of 8.0 mm. What is the focal length of thei i 8 pa9tvljsc5r((6x 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 constellation Orion has an angular separatioabh 6vl,/ mo5k,md +o7w2f m+gi uaoh,n of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (/gb+,hfmoa+w6 5m ,km o7iav,2udolh 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 vb:upx 727j wp)sj 2ehapart. If the focal length of the objective is 4.0 cx vbjps7 2 )27p:wjehum 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 as thez84,pvr5qy(yyp neh(rcfja- pb6vz1 r+t (,y illumination is increased. By what factor does the miniqn(r5t+ppapfh6 yczz148je,v r(yv r(y -by, mum 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 into Earth orbit cwzml(hccmbw mn 8 (uk) +8.*iby the space shuttle. What angular resolution could this telescope a8u cw8cim h .k( lczm)b+mw*n(chieve if the wavelength is 500 nm?

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