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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 the film is exposed in a cameral1o dg08zni:- gqeadyr x-97xhkuw*3 is determin7 uw gqeo i8nxa*--k g1z9dxrdlyh0:3ed 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 cgfohfxl,yc . h,dvws/g0*6 4x2 ,ib acamera 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 may8ulwwttl 3n,4s;cwjk6 n42zm be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy2w l 4mtn8t nlzw4kj; w,cu36s 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 co(/ kqoixay k-mq8 3xsap*5vq *rresponds approximately to that of normal vision is r xyo*v5s3 *piqqkakxa /m(8q -eferred 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 l4yn2 r7u r /odskbwfvym;/1 z(z33 neto 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 vie;g5m .s+ecczi w than that of the eye and through which objects appear smaller i;5eic .s+cmg zs 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 human eyevqnb *p,(, mmg;x0dxr ?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraccyl63o:8sr s0zj(n;/ d jyunvtion of light 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 which an eye can see objects 6gjv/6 bfk2d+ q5racd 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 whic;en w/x* 9 eolk3pavd.h 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 perso7 x*n+ldrrz *tn is likely to suffer fn7r+ lx* dztr*rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can us sef xstb/8+a(z bkkw*sr-occ . 8ny93ually 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 fro2hq(l9t4y nm47j4,ifw vma, e: ojmd fnt to back, this gives rise to a vision defect that can be correct( dqffme 4t:j7,hi 9oy24mmna,l 4wvjed 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 v2m7t *)j29m mj ujq: gj cxvxut7 *5wfjgdb(1from front to back, the person is likely to suffer fro* mm bt*29vdggv5j)jj ucm1(2ufjtxx77wj: qm

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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 corrected r( hi)bo 1rh0,4tc ifxwith

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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 v/2dns3*uxlmn; w9myt b4ni/ rise to a vision defect that can be corrected by usid wyu /x;l /si2mnn49v nt3b*mng

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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 avci1 t2jyu w6h t14:dglass?

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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 lar(9qa6cby. k7jz9hhhb b1 f(gls.ss 6mge diameter objective in an astronomical teb kysbasfj 9m(1.( hqhzc6.s7l6h 9gblescope 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. Suppkit-n,7uhhd dpazq*4 r 0t4xins( 3n) ose an opaque screen is plari tn3d,4dph0i(*n-z aq kx4th7us )nced in front 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 haseuo+4*5j8ng bk8 j wx qaj0a)q uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish bekjba a q*4oug 8j+nw )e58xjq0tween 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 ma(j pfm(*z 0 1oyvbpkj3z5xa/fgnification $m$. 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 i)2gc j,4xaixc-i t c6n6t*gu able to see the greatest detail when usi gxguc ,ati*c6j2)n6-it4icxng a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff655wh -setvew18c xe1erzar 7er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe 8k1u,l 0f( v* gk4soljdv;qfmr 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 pd6pxn8y:q m/,k,x d0g3xf) s.dyrt xbility 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 di(drjzdzb2l w/ 0nf7x*;u .bvz sh is doubled, what happens to its resolving power assuming that all other factors remain unchf r(bn0; z*ddwl2u .v7/bxz jzanged? 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 ls s.8 jr*y(g 8s+aj0v3qmp cgoens (in diopters) will allow this person to see distant objects cl*ry 0aj+gjssc3q s(vmp.8 og8early?

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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 clearlyk d kt+3uhol45 objects more than 70.0 cm away. What power of lens should be prescribed if the glass i t3k o+dul54khs 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 person65oy2j1sf g or wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glass oy o5fj26g1rses 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 farsightcpiiia6j-kxg ) x7k-)edness where the uncorrected near point giix xkki-cp 7j )6)a-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 perso o t*xnv,haehox-6a3-n is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens h6 *-naxve-a3o,othx 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 rr ,a:bytk.)6e;.wpflwm rc cdsi+l 4;ead a newspaper held 25 cm from his eyes, if he wears glassel ;yd.) ibwcse;6kcmt:,rp. +f raw4 ls 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 m+ nnpyg+u(nl+.cpq1-*wdk t focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person p(+d gnqctpm+.+ ly*-wk n1unwhen 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 *gje y3 n hg:ycra)g9xh20, udpoint of 25 cm. What is thg) 9gja ,n:dx he*2rhyu0cy3 ge 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 foes- *nyvb1vo/.w t k.lcal length of 7.0 cm. What is the magnification if the image is viewv1.-v ye*/on. wbt klsed 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.s0jwfiu9 5mf-l v3dm focal length 5.0 cm as a magnifying glass. What is the maximum possible maglj f-9fmd3ui.v50m wsnification?

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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 len9lcj .eqnte q9b/0 ll,p)gna/ gth 5.0 cm as a magnifying glass. What is the nteel.)jgq9pcblql n a9,/0/ 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 focal lengths 2.0 cm, 4.0 cm, 8.0 2*omu(pev7st i+oa h 4cm, and 16.0 cm. If yo7utsa v(h42io * m+epou were to use any two of these 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, and 16 cm.el(;m2q4z zbufrf(r 0 If you were to use any two of these lee z;r(q 0rfb(4fz2lu mnses 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 eye3iq;s 9 nk:oay, f.e-xmvmu8rd8q ys9piece has a f9v- xd m3yyi. :a ,q9uokn 8ssref;qm8ocal 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 t ef6)l7ocd-keb l7o/w m 9cp/gelescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what isgwd79 kocem/o/p 6 c-e l7l)bf 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 10. If yus*z(x0 )hqz(7 grxaqsp3k) the telescope has a convergxqs)z(( q rgx3upzy*k 7)0sa hing lens of focal length 50 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 telescope. If the tele/t6;ue7 xk laha7qr7 gscope is limited to a length of 20 cm, what is the approximate focal length ;/ htg7xu67 kqreal7 aof 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 lengt/xa33* r3wkkmf (s w:f0ll)1osi ryath 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from thyf/w*)3kw ts:f lr a3 s lr(iao0k3x1me 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 f8a b-jop kh)c9ocal length 1.4 mm and an eyepiece of focal lec-8ajh) p 9bokngth 20 mm, 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 a focal length of hs3qnk + 48oyb3.00 mm and an eyepiece o4qnyob kh 3s+8f 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: 8u (mqxzff6i with a focal length of 8.0 mm. What is the focal lenmff uqiz8 :6x(gth 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 constellation Orion has an angular separation of 10-oqx 92ajbf9 1bne* r,k5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just eko b19qn f,xrjb92a*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 obje ;w8xhv*bxsc5o:pav) 03ketncts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objxacp)vv t5h xsn:w*o;3e08 bk ective?

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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 diamete,tlw;wv;ek u. r of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?luww;et k v;,.

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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 in 8l /gfgw21mhlto Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength i82flwgg/l mh 1s 500 nm?

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    总分:51分 及格:30.6分 时间:不限时
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