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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://mail.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://mail.51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  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 shuttw/3o5.xgbnu mhix5i i;hvi0qw;* 3 bper is open and the film is exposed in a camera is determined by ton xmp*u ;w .hw;/bi5b33 xi50iigqvh he

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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 reacl /gu9epm2co9hing the 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-f8b2usbyz hr u3v+)6du ilm distance may be varied by sliding the lens forward or backward with respect+8bs 2udbr z)uuhvy36 to the camera housing. 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 with a field of view 8gwv a 95rpuu u,uy,s3qa(3df that corresponds approximately to that of normal vision is referred to as apa3(df9vurqu,ws 5 ,8y3 augu

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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 5 hw.kg3((w7 se4xtglbbo ,osmagnify 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 s, e be.btl4mr(zj,0kp 1h3xpo by9+lwider field of view than that of the eye and througebbks1,o hb0y4tlm.j9pl e(prx, z +3h 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 human eye? lfq4m6 30(av,zbd euh

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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 ligho68ue5 - trll .fnr6bjt 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 clearlyjvg 7bs( /hhb, 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 obj:8gfz.m alak3ects 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 likely to suuw2v s 3 p;p0;qe16clq3b bjudue6l ;swjbp bq3cv3p ud012;qffer 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+ ,rx wyc3jmx/ 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 back, td4/e. mt oj3)f75q ovzpbx .nthis gives rise to a vision defect thattdn3/v7. .5qozxotb jp f)e 4m 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( 5c75h o)6hds4fie mgxknm;h back, the person is likely to sufferi4h);7s5md x6 fmg (kcno hhe5 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 corrrsrq2 s ueuh t)3,y)a7ected 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 toy3- 7h xoypn8xo short from front to back, this gives rise to a vision defect that c8h-y7xy3xnpo an 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 y2b*0rszv b o v 2m o48tu.*oopnjw3:ia magnifying 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 diameter objective in an astronoy,4es- qi h (+sein0j4)k tpzgmical tel,isk(py 0q4+eng i zte4s-)hjescope 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 a hk/ frbv72 ,ogm;-gmvevg 1ojq9wbt-.0o4mrn opaque screen is placed in front of the lower half of the objectiv7mb e4m f2v0 b/--;hkomv .v rqto,rjogwg 91ge 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-v em)a;l; obb uniform 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 lens of the albem -;bvo ;)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 magni:2t bl/aku:ds,ub 4y8 tacv* sfication $m$. 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 ablev9(tcg9u2 z *x1hti0zab pi8 gg,aqt+ to see the greatest detail wheng2,a*(bihtv+8 9tcg 9tqp1u0z ix gza using 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 sufoll 7 w2,pcp;c10iuzk9ru9 .mg/ lyf lfer 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 f 7oo ob +8rlqjodv6-4zrom

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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 microsh+r9diay: bk6 cope 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, l bbdc:z-noj;k h8,f7 what happens to its resolving power assuming that all other factors rem;dl:jc- h onb z7fbk8,ain unchanged? 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 diolr3j9m;rx9d9 ,m a(gn8:rpzfsfjfd. pters) will allow this person to see pj j9nf:mr .xmg;s93r 9alr8f(,fzdd 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. W/5vbsc/(:bin 1nz)dx rdjq gx 29)wjxhat power of lens should be prescribed if the glass is to be worn 1.rn) gc)2/jvqs:(w dx5jxz bx bd19ni/ 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 glasses whose lenses have power of -0.15 D. v chlu: zzk.a b(m;w7g b/1g-d What is the person's far point if the glasses are very close to t; c( mz1hab.lkdbg:/ 7v zug-whe 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 nvp.s*; l wl//z jvrj9near point is 75 cmr;.s*lj pwjn/ v/lv9z ?

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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 pcg zm5g-6fl7werson is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably rea7f-gw 5c6l gmzd 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 u0 )jw.8zhisker held 25 cm from his eyes, if he wears glasses juk8hs)z. 0wiof
+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 pe56p wkvxh 2m.prson has a near point of 25 cm. What is the magnification of the lens for that person whexv.2ph km6 5pwn 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 k :h,bv vt1o(u 6ydvz)cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their nuv6 yk: do,1vv)t b(hzear 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 magnificatiteh4* )w- lww+7splzqon if the tpw-hw q*e)l+7 4slwzimage 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 conve9m4.o.vo,r9yzgk ra so *d: durging lens of focal length 5.0 cm as a magnifying glass. W y.r94 roo .gdkv:uos9dma z*,hat is the maximum possible 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 as a m wf624b5(f(zcup r7ltd l9bto agnifying glass. What is the magnificati2tbl b7pzr fudfl9w4 6o5c t((on 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 oxwq )v5nn +*lp edz3 abuv-7;zf focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. n pbw-vnlzqe)3; za ux+vd5*7 If you 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, xdskh)go8+u**w b/g 7 4tzzhv8.0 cm, and 16 cm. If you were to use any two of these lenses to t vodhz/4+ *87*shbz gxguwk)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 eyepiece has pf2 khfh*r 6hf( et:1xa t(h 6f1:fh fhek2*rpxfocal 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 telescope with a magnification om5 xzankdon1hyx, *f1*;q du.f 10. If the telescope has a cof a5zox,n;x1 mdn.h* d1u ykq*nverging 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 telesc al3k +*bhz+7b /(wuxku (nnqjope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length o* ((u7lbk n xn+3/ ahqjkzbuw+f 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 (qc6zre2be2cw 1pgp -the telescope is limited to a length oep -cpc g16b2w(2 rzeqf 20 cm, what is the approximate 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 objects-/:frg:h o lbive lens of focal 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 objelso :/r:f hg-bctive. 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 objeq3hhg c rgitv-(ztj* *15ql4wctive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood14g* tlwcqrgz-t v*h 3hji( q5 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 hap.yeha 4 u0/n6fcbunn89cy7ss an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. uynafs9h4n bn /7 c60yuce.p8If 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 caw 61,u0cwxe a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnif16u0 a,e wccwxication 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 Orio4a, )n oqovi:dn has an angular separation of 10-5 rad. If the wavelength of the light od:ovn)4aq ,ifrom 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 desig/zcffj ;q*3nr 5xxudyg.z 3u /ned to resolve objects which are 0.010 mm apart. If the c g r/x*uyjnzzu /q3f.x3 ;d5ffocal length of the objective 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's eye changemola3r /)pg:ms from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By:3o pa) rm/lmg 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 p(fgl(s g f8 fxybff :1(k9i1amlaced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if ffa (fg1f8f9(gksbl(ymi 1:xthe wavelength is 500 nm?

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