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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://autoconfig.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://autoconfig.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 svd xd0f hy0.f( kbe 5/q*k5dsjhutter is open and the film is exposed in a camera is determined byhe *sbvk(jkyx 5 5/0qdfdd0 .f 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 ) 39we r :h;nmceq*fpffilm 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-film distance may be varied (3/ z.sq)xvvu7 cvace32z ov ewcy2r9by sliding the lens forward sec3zz.w39cvvcx /r(2 )v7ovueqy a2or backward with respect 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 covece+y3* cz6juars the film with a field of view that corresponds approxima+u z*ej 6c3caytely 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 v*0x0fnox +npa 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 a wider field of view than .vu i( 6da0x roy5reh(that of the eye and through which objects appear smallhiv (a6ey.rux (d5ro0 er 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 eyetuvfm,appk 4(,zfd( 0)wnp(z ?

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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 t fj:6agl95kzow,*xp +r-w ndwhe

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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 osu75pr rdi -3ibjects 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 which wc( wje 4i0ig/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, 0nckz 3ho(f) n. lxu-ithe person is likely to sufferi)n-(0onx z c3ufkl.h 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 s)y dg( 5jx;dqbe 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 frontuz81sq5 bdnrr/-rk .d to back, this gives rise to a vision defect that can be corre.s-nu r drr1bk5/q8 zdcted 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+/w 8 uzxggx: l)h-rbl too short from front to back, the person is likely to suff:rg+l/u)wxxb-8 hgz ler from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usfz); q* +eiqqqually 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 to back, this givek(8nej w.g py5s rise to a vision defect that can be corrected b ykj(.peg85 nwy 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 magnifgsg0g+ az jhf m*z.0(ahd9 -doying 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 diametq rhmsn1/bez;pm4jd - op-c24qn0dq:g4qc w -er objective in an astronomicalq24j mg4zqd-nnb-wh q0- m o dpcq:re4/p1cs; 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 formed by a refracting telescope. Supposew,u0s l:c-/gr7 lkefm an opaque screen is placed in front of the lower half of the objec-ru sc/f,lmew70gk:l tive 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 sensiti*i 7;op9q iqmevity throughout the visible spectrum, in which of the following cases wop7q 9qmi ;ie*ould you be able to best distinguish between 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 magni(959-gio8zo4 kc, ozwjldslrfication $m$. 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 ton ulte15w/t:nn4g7ni be able to see the greatest detail when using a microscopwtg 7utnn54: nlie/1 ne?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fxb;ic. d.5wuf rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro hl.31 z3)yvt:t zbzpxm

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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 h3d3jkffk4 8-hiw.gl 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 a/7 stnkvfo8tgh +7d+s resolving power assuming tha7godt t+nak8s / fvh+7t all other 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 a far point of 18 cm. What lens) 1fo,2 luehuymvog+ 5fz(pj ) (in diopters) will allow this person to(yv)h fuplfg1 o eu2,5zjm)o+ 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. What r9 dz+ /ygh,eqpk5wc*power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the cpwg5+ 9,r key/q z*hdeye?

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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 1og)8 2lhp 4uzag ls5ahave power of -0.15 D. What is the person's far point if t5soal8 gpl124u) g azhhe 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 where the uncorrected nex ijo)x(7p ucs7,sc, zar point is 75 cm?ps 7j7cucxx),s (oi ,z

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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 pergo2i (2jbt i/lson is 100 cm. She places reading glasses close to her eyes, and with ig/i bj l2(2tothem 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 newspaper held 25 cm from his eyes, if he w3kay b8/xpl*41r5ht+a l vfx *gw 0oovi9;jdpears glas w pio akvh3jtxlv/ l04f89;b* or15p*+gydxases 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 25f 1h*s. tt2ihp6neco8 cm. *8 pe tfnh6t1 c2hos.iWhat is the magnification of the 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 ofnfkhi/ 1ymxx+r fbd./vo1 y 3* 10 cm. A person has a near point of 25 cm. What is themy+o1 dx.1ki*v nrf f3b //xhy 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 focal length of 7.0 cm. What is the magnif*g*w4h 0 1uu q3oynstce ;jk2rei dc4)ication if the image is viewedi uy2 ksn;e e**ht3rc )ojucd4 4qw0g1 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 focal length 5.0 cm as a cb 9o)upgc+ i,magnifying glass. What is the maxim)+c g ubio,pc9um 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.m :ry . vm3aeq0q8to*x0 cm as a magnifying glass. What is the magnification if the persom aqm.8t:q3y 0xr*voe n'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,xq+.3hje udvh p9nz; . 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, whatj3hz9+d..vu ;n pqx he 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, 8.05bhz7isbjr an*3i-k l.p;lct4 q zy5/ cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification;b y brztnz7la3icl5q kp *.s4ji-5h/ 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 telescg yow a2z*hh0o7)1 tmrope has a focal length of 200 cm and its eyepiece has a foz*o)yaw0 ght1o2 7rmh cal 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 magnificat ./tvz 9v59 8zrwyuetrion of 10. If the telescope has a w8vzy99er/ tvz5t.urconverging 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 telescope with a maggkb9nkk:3wp/ wduj nmd)fykb 5)7 .1znification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tel3k)f/ b. )9:1jkyd pk7zwwkb und5 gnmescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designinwah49ib) xgl ,-w+xu ber )4/ax b/eilg a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengthl/bl 4wxx+ ,eraw-bh4exa/i))i b9 ug 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 .9) rgt/ore6nx 7ibgtz9qm:f eq w. h+mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed7q ebfw th+.rr9 e:t .gng6ix/zoq9)m 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 mmckg f3qc2cd 7 4gjkt/;oxr(y8 and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloqfcyk/ 23c; xtor8gc( dgk j47od 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 ob: qvy:m/vm u7.biiy +.q7rzey jective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificatiyb7+vim.7eyq/ ziv:rqm. u :yon?

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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 pdq); zij1:57c ,zxvu, pknpt-cm barrel and an objective with a focal length of 8.0 mm. Wqx)p,i1 zd jtu: ,v; z7knc5pphat is the 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 pclfx+xzsc 1upu.-,4d zc/-oangular separation of 10-5 rad. If the wavelength of the light from the system is 50c.dlpxsz,x+c pc u-1ouf-4 / z0 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 designed to resolve objects which are 0.010 mm apart.tr2d8t 6fl. 5wz :*qsx mpa+fy If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is th sq 8 *yfwd tpx+zml.5tr:2f6ae 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 thewg0h um7j )v*t illumination is increased. By what factor does thj ) 0*mvwtg7uhe 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 Spawt e1- 4j7dr 0dix ch.vvt;tc8sji. :dce Telescope has been placed into Earth orbit by the space shuttle. What angular resolu r-ccd7ev: ..titd8jisw v 0h1;dtx4 jtion could this telescope achieve if the wavelength is 500 nm?

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