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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 vhhcrvis6x mg455* 9c3c a.hzshutter is open and the film is exposed in a camera is dete6xr 5 hic4 mv.sgvc359hczha *rmined 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 film in a cw)3lt; j. x;gck+sxulamera 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 dista32 kpucj-k9*igh, / ne)4fvvexxwn / b,yxca (nce may be varied by sliding taef/w2xg49c3*b /ey )ix,,vvpj (nx-kkn uhche lens forward or 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 covers the film with a field of view tuk;6x80o dq)u lzrl rs9(5qyuhat corresponds approximately to that of normal vision is 9s d0qkoquru(;l6u 5zyr 8 )lxreferred 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 akncj4z3x(drs jm6;d ; 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 fielx0zqwx)iu8 .- bqsa j-w3y7g4 at upg,d of view than that of the eyt s-zq-wpx8j)agbqx7,uiga3 .y04u w e and through 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 differ2u* myc/a rvohi9r17eent 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 refraction of light by the eyehtq5g +lka75agj.*x b* a8ebj9b4sfr 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 cai*( ( xymslen-4z- jlpn 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 distancviyzrr9(;. 5c.eipkmee d 3/d e 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 too long from front to baixh,u c72thg* ck, the person is likely to suffeh2,u ti*xgch 7r 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 correctpx*r bh/n )-gued 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, tcp 0 aj0-6rc)txbme+ohis gives rise to a vision defect that can beaxj)mr0c+t 6b-0ocep 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 froez*plk2e 8,aqnt to back, the person is likely to suffer fro2plekq*8 z,a em

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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 corrected cis z 96siz30gwith

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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 sjbcndi ;9+(v1b*io 1 p cdnz2tb jl4c/hort from front to back, this gives rise to a vision defect that can be corrected by using1c*tbb1c(jinzpb9d/vlo nc+i;2 4dj

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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 magnif ;*ctet5mt.ce-.s bw vying 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 diametedf 7sg fw+9j 4 9b3swgg/zp+lpr objective in an astronomical telesw l9p7z+fj+gd 3pgf s 4bgws/9cope 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 opr-,n pctj :ea2z+d1uaaque screen is placed in front of the lower half of the objecndp+uat e:a 2,r- jcz1tive 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 js6 aodwl8,;z,den;0x rf r+gsensitivity 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 lensr zdand;+l jof 0,68 xwr;eg,s 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 magnificat)(kcvv*q wd1s6d9: *6y lece5cniukbion $m$. 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 greatest guh7lw2n2 t:k u01 yhddetail when using a n2 d wh0uty7ukgh2:l1microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer a bjxuzyt213a (o*i-rfrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer a;ucxyi ;)fx +7mns6 hd0r8ns t22 dnxfrom

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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 8y 35wwa t, wm0r )gz7h1b4lrshf-ajlability 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 re8tryqh:o,vhz-9 mo i,solving power assuming that all other factors remain unchanged? Its resol9h:i, tm-yz hvqroo8, ving 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 diopters) will a4bdfld5/ iyz a6be8hwl(, 4nfllow this persoz4fya/(w bbi de5l8dh4n ,6 lfn 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.epufay ;:k ic;,p n;7c0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of th ,7 ;:ec a;yiun;pkpfce 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 dkv9pfu:6v-(v4p yz g power of -0.15 D. What is the person's far point if the glassepzv4vf9y(d:p6v- ug k s 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 farsig1refy zbrb* ,;htedness where the uncorrected near point is 75 y r1br,eb;*fzcm?

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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 personeiq/0+ mgi3bww8o*e g is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspapg g*i/i0+mwoe3w eb8 qer 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 hef )pk:xtn2qr:ay 2x (kld 25 cm from his eyes, if he wears glasses ofry )2txa2(k p:qx:knf
+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 zz*p e90+rwblof 10 cm. A person has a near point of 25 cm. What is the maz0r+ep 9bwlz* gnification 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 2p:*5 k7c st)yrww+hmm5 cm. Whar5wmpm+k c7w*yt: sh)t is 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 ha njfl2, dq)iri4iv 9veg 2*:ies a focal length of 7.0 cm. What is the magnification if the image is viewed by a relan:qdi vvi*9jg22, l)r eeif4ixed 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 l)kodx+t2739s rjqmncr7c:bsx3 hb u2 ength 5.0 cm as a magnifying glass. What i qjn7)suhb:brm932t 3d7 xo+ x c2cskrs 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 magnifying gln4 t6:49moh 4wf ipjowass. What is the magnification if the person6iof:hw w 44p n9moj4t'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.b04z5 2prtccg2 2 w2mkms1m no0 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 maximu 2g2rsm2pc cn4m w5b20tom zk1m 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.qh;. i;e:m;wpa o. ffser3f z50 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a a f ep ;z ws;o35rmqe;.fi.:fhtelescope, 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 207+5sg1qvxveg0 xaz5g 0 cm and its eyepiece has a fosx+ gza5e71xv vq05gg 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 maw/rwym(ftx2 q g87t p+gnification of 10. If the telescope has a converging lens of focal length (8qfrgym 2 pwx/t t7w+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 magnificatios845av -n 7q1pkdfw z 6sjyv,pn of 10. If the telescope has a converging lens of focal length 50 cm, what is the result1wd 8 qk5s v npfy,7jz-ps64vaing 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 t139,a iz-nwp xcupya8 elescope. If the telescope is limited to a length of 20 cm, what is the approximate focal lengthw -npp yza3x, 9i1a8cu 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 mmdjkr z 6uvl3,ipa98s ) and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenailk)s86z,3 j r pduv9ses?

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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 len ed30r/t5 uwle1xx zp-gth 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. What is thet/-p3xu0l ee1rx5d wz 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 m)7e idnm, +6,)zug36 h qgenxv 6klemkm and an eyep)u+66q)n kz,d7ginegx6v3,khmmeel iece of focal 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 barrii obl1 bzwon8/4 pr3*( rqn.mgkz 3w,el and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give ai33 roinww bl*,8bmkp4q . /zgzo r1(n 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 bv lso*qp l- )e,/qdfmvy*/h: in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smal qlyqvb */lep o)dh f,:v-ms/*lest 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 . 4ep7y hs2isig(qs;rhgf x2+designed to resolve objects which are 0.010 mm apart. If the focal length of thi+ 2es.4ghs( 7q2ry i;phsxg fe 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 changes from a diameter of 3.5 mm to 1.5 mm as the i+m qt(m+o 9laillumination is increased. By whq+ mio+ a(9lmtat 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 E1e6jtw*p hr3kz /zz -yarth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 rz wtepkz/16h j-3 *yznm?

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