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习题练习:Physics Unit25: Optical Instruments

 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 o4d(;2ree 5ld huk5 .+vez 5v hrq;parshutter is open and the film is exposed in a camera is detedqld4 zerev;(5+ var5h.euh2o p5;rkrmined 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 r judqh3* 4;m fu2; ieodae/bo4eaching 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-film distance may be variovme:s2 j;+2vazm/ ,qlbsl ) wed by sliding the lens forward or backward with respect to the camera housing. If, with suc+ wssjv)lm/2a;m o ,elq2b:vzh 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 mre; k 7njt /z3uyl1c7a field of view that corresponds approximately to that of noz /1tm;c37elky7urj nrmal 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 telescope to magnify images is refdi fh)pm 0)gc(erred 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 thanj/lq9w3;p 1 g(scqm-lewgh p39 vzsd; that of the eye and through whichv qdwz9s/;h3j3;(9 -elpq gsmcwlg1p 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+kfbl,8mc4u (;dqve w 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 ey x1 m+c :viywy0zje.:fe 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 wh yb4n6qrkwj- 85gvurd .o 0t,iich an eye can see 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 at which an eye can see objects clearlwr* d5x3ic jq(y 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 peb2)yt z*zbgd *rson is likely to suffer2dz y)*zgbt b* 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 be corre 9k;f- im+crfz70w si(c,jj t.vjm(qm3(f d ogcted 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 l)whu3 td,qdiwhn;k6 6ong from front to back, this gives rise to a vision defect that ckhd;6dhit 3wqn,w u6 )an 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 tlkggz( 5a0l.e m v:py9od9q6boo short from front to back, the person is likely to suff6 0lq zemb99.ggy :(5adkovpler from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallysrm) +,hq2gym 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+c. l2fghzyys5k9 .au too short from front to back, this gives rise to a vision defect thf+59 skhgc..z2uyl ayat can 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 a magno8lf - *w j(38., rsaotamrimoifying 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 o+qcfcw7e7s.qymt 8+wh,: xca very large diameter objective in an astronomical tele .we moqhqy87fct++ c:, x7scwscope 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 telescopec o von+)i *13i6e-ubgt7lss y. Suppose an opaque screen is*7i ) -c ui 6+olsnb3e1tvosgy placed 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 has uniform q- 3vum0zpwm2g;n zj(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 teleswng(u z0;3 qp 2m-jmzvcope 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 magnifi(q uw.u9qqa( lcation $m$. 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/:3hb2dur :vwd imtyd(qn m - nb.;;al expect to be able to see the greatest detail when using a v :wab -3 b/y(rhn.q2lm t;iu;dddn:mmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromi3xih )zz,,i j

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer xfwy - 4 cf/gth7r:.xbfrom

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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 ability tq)bssfta8f .( u;v4af1lvg 56lzs4op 2n5kfbo

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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 itseug0m-gyv8 o0 resolving power assuming that all other fact00 uygo-evmg8 ors 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 leun6 - *+3s8 ywfwy 9kkmtaswa/ns (in diopters) will allow t+w9ka n y s6 /wwf3-atum*s8kyhis 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 70.0 cm away. What power of ifw ;wvdbuht6. unrj4n9+2 ,jlens should be prescribed if the glass is to be worn 1.00 cm in fr2j ud +r, . bw4nhwt;6i9jfnuvont 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 wes l5x8ihw( q)mv 67esbars glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to thwsqlv5h s e( im6bx87)e 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 corrlh u)kfvr.4 x l.)+yfuect for farsightedness where the uncorrected near point is 75 cm?4+u ykvlrxl)fhu ..) f

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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 7 yx)qztjt:s1tz4 /fzcm. She places reading glasses close to her eyes, and with them she c4z: jz)qtz/ft71 txysan 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 wefbaxpds yzw,6o;j 0y p+; nd11ars glasses j z6nb+ ,;0dxwp1dpyy1 af;osof
+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 3dhgcv69zuhf*z n+e* near point of 25 cm. What is the magnification ofu c3*zhez 6 f9n*+vhdg 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 of 10 cm.yr7a-f(pi)p s A person has a near point of 25 cm. What isipr pys-7af() the 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 )nocgzu2xag41 *itw 3/,sgwt focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed eytn1zg)g,g4t w /o 3x u2scw*aie?

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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 zoy--pi ua46op3 e9zi focal length 5.0 cm as a magnifying glass. What is thezeo-ip y-a6 zu 4oip39 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 focall9 bhaamb:;4ik zxp(oih; (8 y length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relaxe(bza:( hkai;ixh84 y bl9o p;md?

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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,hf gq).f2h sv6 and 16.0 cm. If you were to use any tw2)6f.g hvfq hso 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,:,ut/ a 6xdh7kkhb u+c 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to buucuh ,6/ad bk+: xth7kild 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 2x70p n2izf r9ucd/tt700 cm and its eyepiece has a r0 xnuf 9cp/ 7idtz7t2focal 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 of 10. If to3erxmx:d ;k *he telescope has a converging lens of focal oxdm xer;*3:klength 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 tee.sr2ztig+u-km*x + ilescope with a magnification of 10. If the telescope has a converging lens of focal lengt2kg* t.smu-xizi++r e h 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 telescope is limited to a t*o3cejd5 ;b jwocmg ;(qe 68kxn43o glength of 20 cm, what is the approximate focal8g5w3cj* jmeoeb;q(3;ktn6 xcoo g4d 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 objective lens of focal length 1.4 mmo+ ;4x9vm 8tyvanlo -m and an eyepiece of focal length 20 mm, adjusted fa4o no-m+y 8 tl;vx9mvor 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(iq 5 f7rxc4xu an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samp x4qx5rc(ui7f le 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 h 5dykh.1;us 3iti99bw f me5xhas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 13f.w;khxs 59 mi htdyibe9u5cm. 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 a fo 0bd1740)ea8dai tkxat ux: y:cqme9ocal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnqk874ba1t acyxamdi:ee ux9)00 :odtification 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 imgd j 5zrjpu9572ij8gn the constellation Orion has an angular separation of 10-5 rad. If the wavelength ofgr5m g 9j7jzd8uj5p i2 the light from 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 :; )k4f0gpa4he vsqfg0w tlq*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, whht*f sw e44;pqvlq0:fk)g0a gat 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 ae+2o jzn2wz z5 diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum an+eo5 wz2zn2j zgle 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 Telex;)8reytwbc8(. jmy* cc(m(h;y ettrscope has been placed into Earth orbit by the space shuttle.w bhcecj (y8x;(t ecytty (mm;rr8 *.) What angular resolution could this telescope achieve if the wavelength is 500 nm?

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