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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://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://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 shutter is open andvl7hdtgk( qrx6 sr7l -(p*d *n the film is exposed in a camera is determined by g r7l(7tsx*vrqh pl d6*dn-(kthe

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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 det9 0si mh1z6: k.udl (uw)reziwil8(juermined 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 /*(r1o0df w(ad qdkx fby sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtaink a (x (qwdodrf/*10dfed, 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 viedii 8-- kfr,qt8qyj z1w that corresponds approximately to 8z-dqr,t 81yif -jki qthat 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 actjcug84um w1n.hfayf0( o5y(qs like a telescope 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 an.xthgtz ,; kff cr3jle-dm5g0)cg *) wider field of view than that of the eye and through which obje,zg. ) d ltxfnrc;3c*fj k0t gg-mhe5)cts 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 /k*27xzu :tjbc q6dc hthe 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 lighmk 42u3kc dheq:n .n5ut 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 gxy9g.6wg 43qz nm t/wsee 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 y.fl*6 vr o5tb2)tveb at 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 k dg kynog.:gt8 3hgxa5n/ga0*2 nvz4too long from front to back, the person is likely to suffer fnhgx3 :taoagy4*z8 ng 5k/.dg0kvgn2 rom

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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 co4a8sqw /w8bpgn: yqfiyqi;32rrected 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 fr5u xk *ac4kv4dont to back, this gives rise to a vision defect that can be corrected *kxvc 4 au5kd4by 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 shorto h527bliwp+ e from front to back, the person is likely to s+h7opb il we52uffer 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 b9hb t)m4t kbd7e 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 to back, this gives ris(*x2rfgk4rjl ,4j gz1 pdvzq 1e to a vision defect that can be corrected by usgp(4vqk 2lz 1gjzjx*41r ,dfr ing

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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 zku,6oi /ii+ 1pe n5t8:g 1t 1fhwdqejglass?

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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 astvv9lp 9svr3r)ronomical telescope ipr9lv3 r v)vs9s

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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 6xxyzg shr.22 svl.:xtelescope. Suppose an opaque screen is placed in front of the lower: z6x.sxx rhl 2y2v.sg 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 sensitivity +u p1rud)jysj0x(gk4w v34r ythroughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spurk 1v +pjw4(sx ru3djgy) 4y0aced 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 telescopep0n7tt.ag fre t,j6:s4l/bi yc-7 jgk 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 abl6fkoy hg v;0 ,rj9-b yl(z5efze to see the greatest detail when using a microscope?, (g56kvbhzf fo09 zel y;j-ry

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeib6pq1.8itz i i2(nzbr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffeskcebb.y)3 ;sf3arf8r 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 ip d2kheyr 11bj2an+f6 3 a/tcmicroscope 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 it xxbldtbrc+0d)4 fc, ;u il;g 8v1,a8*koaxt ys resolving power assuming that all other* ;tfxa 8rxuv1o)4ltl cb,0ddi+xg ba,c ;8ky factors remain 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 a6kqs-s6n or/rpa.po -(e i sd5 far point of 18 cm. What lens (in diopters) will allow this persie5pk 66 rs p-(dan/o -qr.soson 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 mor j9-.r 8mvcf8be*egxje than 70.0 cm away. What power of lens should be prescribed if the gla fx ce. jgrv*-e98b8mjss 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 personwto+5din+3 mt4 m yj*gsi4t .p wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very i3p+mo+ i5mgy4d jttn.t s* w4close 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 ulr+ cvpb*,x qzz.t8+g ncorrected near po+zbq.*pzl8,+vr t xc gint 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 reading glasses c6bbx91geqmp 7lose to her eyes, and with them shexp9b6mg7bq 1e 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 newspaper held 25 cm from his eyes, if he wearsfm) 6*u7a 5tf1 kyapca glasses6)c5py7*maft aafk u 1 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 y+bg*ag . b:wia focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eg.g*y:+ ibbwa yes 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 poin( wakqc7-u.8qxtv2 e at of 25 cm. What is the magnificatv7c2-. uqqewa ka (x8tion 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 lc3c -9x o6a9wkc6l:r ;ijysp focal length of 7.0 cm. What is the magnification if the image is viewed by ;lyjws6pk3ca9: l-x 9orci6 c 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 focal length 5.0 cm as a magnifying glas.onggt*owr9 : 8i v2avs. What is the maximvrgng :i*wav too.298um 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 les s9w+r(i1e2v kne8 zxns of focal length 5.0 cm as a magnifying glass. What is w 9sv 28nirs(x 1ezek+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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm, a,2 zcrwth:o 4 //mlb zto:yqx3nd 16.0 cm. If you were to use any two of these lenses to build a telescope, what iszq tl 43:zmo,tb /woy:x2ch/r 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 lenses2w3wkxacb- 3v of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to v3xww -abc3 2kuse 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 eyepiece hakr rbskcen;v,z3- +- ws a focal length rz 3 +,ewkskn;cr v-b-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 astronomi:mv50 iln x*n8oo h5wlcal telescope with a magnification of 10. If the telescopw lhom x*n055ni8v l:oe has a converging 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 tel dz 4+r7 o7ksgox0qsr5escope with a magnification of 10. If the telescope has a cond +ss 5 okor77rzg04xqverging 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 telesm,d5+a mf1uyzcope. If the telescope is limited to a length of 20 cm, what is the approximate focal leng da 15zmf,u+myth 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 oz1f2tvg 6j cz,f focal length 20 mm, 1 zgv 2ft6,zcjadjusted 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 eyep7ljm-sg1 xny :,5y owq,j:bbbiece of focal length 20 mm, adjusted for minimum xbjs:: n blb1,w7y ogq-jm,y5eyestrain. 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 focxkad*1jj a*30i ez +t/bsrh5yvb,(s qal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separateb se(* jy qxb,5 3ahjazdtv/0k+1is*rd 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 lengtavvhfsa0/ s78 bzk 9;eh of 8.0 mm. What is t7fb sev8 /k0zavsh 9a;he 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 constellation Orion has an angulari4.pwi *-4c2zycohom g ap 63u separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resowh ioi4u4 ya*mg.pp-6 oc3z c2lve 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 microscop 7;*h6cxsm/ otrht5poe is designed to resolve objects 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 thec/rs p7h to;tox*mh56 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 diawg x,9m*ko kcr+rgc v;-l7h9qmeter of 3.5 mm to 1.5 mm as the illumination is increased. By what factork, o7g*cl qrvx;9hw+kgm9-rc 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 into Earu9ot7nx;yh i r.i+ 9ldth orbit by the space shuttle. What angular resolution could this telescope achieve if the wlrh+n i.7t; 99xd uiyoavelength is 500 nm?

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