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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: 匿名未登录  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 op:x k- z ud01.c.mixbylen and the film is exposed in a camera is determindb-zl xk.yuix c 1.:m0ed 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 filmf g xdo98wke4) 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 ref 2 .o7gnu:qftsx7tvrd u5 ;dv1lex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this medr:t d us775q gtnxo.v21ufv ;ans 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 covkk hrt*h3 1tn6ers the film with a field of view that corresponds approximately to t3r6 htnkk*1hthat 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 a telescope to magnify img3,ww8:3cyq xrv) xumages 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 coverswcf/jo8iv3cgu x0/ r1p4.1mcp hpvq 1 the film with a wider field of view than that of the eye and through which objects appear smaller is referred to cugphvip/3 fpo8 0/cc1wv1. mrqj x41as 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 followinb8/zv t8a+hsel *ol4g g ways is a camera different from the 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 refractr;wcge6i f , x)sy0*jbion 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 attzcn0;ul ;2yn2o5jq:i p - ho/lpqd2f which 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 clearlyou zkp 4yxw-hljr7-x,a .-i.z 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 likewh5c0u9s a 2eh-:lwztly to suf-hwcts5al:2wz9e 0u hfer 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 correc c9;2mmpg3l8b aws 0hkted 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 hqw+9 3glx sb5vzn iifg ez-e95d4f ufs; 3::fto back, this gives rise to a vision defect thvwfun d:ef933 xs9i5 egz-; +lzisqb:f 5gfh4at 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 f 3/kt2cur5gq; xy-d 7ec-bhefront to back, the person is likely to suffer f/k3- 2y;7 urg-ecdbhtexc5qfrom

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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 corru2kdo, g5xc;h/d d4 tvected 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 ds7o 9nvuf:, .zqhbu: front to back, this gives rise to a vision defect that can be correcqo7 f u9uz .bdh,vsn::ted 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 ab tn0(/e hnb(q 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 astrci7e*9mg6 ohhonomical 7chm e9i*h6 ogtelescope 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 an opaqujqok)u4/ua5z e screen is placed in front of the lower half of the objective lens. What effe 5 q4azokj)u/uct 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 seteq 6,k -. 5:2pxejgzwfsxsf )nsitivity throughout the visible spectrum, in which of :sse ,2qkgf.px5f6t-e j wz)x 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 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 magnqm (i 0rnj;r+s6iid3gv0 s *bnification $m$. 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 able to see the f ru7br0-w;* xp- xkibgreatest detail when using a pu-;bxrbw7 fxk0 r-i*microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f) -8ysdtd8o k1b/lgmj 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 fr:6)t yd-ax.yp ii)k8*azlzug om

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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 micro1+x+g1xef8g :n tihw 3qrqhr 2scope 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 its resolvi;*mq k,znpgjy :if68d uc0ui6 ng power assuming that all other factors remain unchanged? Its resolving powerid0yq6 pu m,j c;f8uni6:k*zg

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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. 2 ,j u94 tqyi;rwrpvcjb7l p:, What lens (in diopters) will all7 4v:y 9 ,rijq,ruj twpbcpl;2ow this 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 clearxjv5p4p g/i ;4.qwwrrly objects more than 70.0 cm away. What power of lens wpg rrw;xiq ./ pv54j4should be prescribed if the glass 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 person wears 3bb/c(io l-hhzb0n/ nuy 3d5 7jisj3iglasses whose lenses have power of -0.15 D. What is t/ciz3 hy s7 bh bnj0nu35i(/j-olbd3ihe person's far point if the 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 newluz1 skyc (1ne2 )7uxrvkdoi23y)x it 1+ /bteded to correct for farsightedness where the uncorrected near point is 75 2x3ydt/1ck7rz io ()s+b )112wnxeyulk tv uicm?

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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 plsq ;w( fh7t7msaces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens(s7mfst7; hwq 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 eyesjd0 5g )pz+uvx, if he wears glasses odvg x)50jpu+z f
+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 peb36s n0vtykq;q j33bu rson has a near point of 25 cm. What is the magnificatbyu j6q;vq3t03k bn3sion 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 of 10 cm. A person has a near point of 25 fvn h- cl20(prda0ql8cm. What is the magnification of the lens for that person when their eyes are focrfn aplc (dvq2l-0h08used 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 7hbi13i+mee p6mz vc5 9auje:3eh.z6 w.0 cm. What is the magnification if the image is viewed by a relaxed eye9i5a1b66+epuzhe wh vi 3m3ee.c: zmj?

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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 foca /m +f+mos9frxxlkiwpr 1: abm(fn54(l length 5.0 cm as a magnifying glass. What is the maximum possible magnificaa mws rmof5pbf+ m(fr(x+1xn9 /l:k4ition?

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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 calple (c7x: j-m as a magnifying glass. What is the magnification if the pjxeclal7( p -:erson'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 lens1tlky:z * h8xles of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum ma1 khtyx8llz *:gnification 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.:0efr tixs + 9be95rgk0 cm, and 16 cm. Ifkr+ 9x f:esb re9t5ig0 you were to use 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 andrwu:e w h+z*2pwef*w1 its eyepiece has a focal length of2w*1 wr u zh:ewe+pwf*
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 magnifichtyew p 8jp1m+7lq:z;ation of 10. If the telescope has a converging lens of focal lengthpwyep17 hq ;ljm+8zt : 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 wjj6rk bb :i;z0ith a magnification of 10. If the telescope has a converging lens of focal leng0j;z:rk b i6bjth 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+2 a4qj-nww y)j 0g/rjy /xce +-yutqvx,k;nw to a length of 20 cm, what is the approximate focal leng0j r;),vt c/ ny +kj/ nx4uaw xq+ywwqg2j--eyth 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 foca297:vns5eg hj0w e:akoc,6txxeo 3d ql 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 objective. Hoo 2n,x9vk h:x:6jw5ceao7s ee3 tdq0gw 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 o),1:yvlalx de4twh,)pk6;xaurrjskv2by2 , bjective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl) 2xxksv,l 6y ,4:w ylera2rkb tj;vd1,hp)uaaced 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 3.00 mm andx+ x(url;oq; ve4wf*z an eyepiece of fu(q4l ;; * fxoxvr+ezwocal 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 barrekmn(s9t 3q n-ac/yv2tl and an objective with a focal length of nt 3(v qy2c9nm/ta ks-8.0 mm. What 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 constellati 7- 5)- yj1 ayzmedcdlzjpl.r6on Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 j-1y jddycl7zle5mazp.) 6r-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 dbx )q5mzt8/l;v gi ys(esigned 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, w/;8t( ix)m glv5zy qsbhat 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 a diameter of 3.5 m2+w i6tapd8upy,pj)bup q3k -m to 1.5 mm as the illumi8,tp y36-+ uwjpbp)qpdaku 2ination is increased. By 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 placed into Earth: q)+peire)l w orbit by th:r ))wqpi+e ele space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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