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习题练习:Physics Unit25: Optical Instruments

 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 i/1+ux ,llywtt7a 7 tbis open and the film is exposed in a camera is determined bt uxi+ylawt blt/71,7 y 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 came8nfhl)a9zgybr:gz4u m8v;( 1dbz9 ke ra 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 nfae if3v* b- 23m9bxti64e fjlens-film distance may be varied by sliding the lens forward or backward with respect to thefnjm ie3i vab etx3-f4bf*296 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 th3g4 vgsgxab - s*x43v9z7*uz a6p vjgiat corresponds approximately to that of normal vi74 b3v-j4six vzg3gzxgpa96* vagu*ssion 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 referred to upbpszj6bmpf -s5e 3tst81dc:e e);.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 wi 58+ jl;nt tojnja-qn* b+z;hem4op k-der field of view than that of the eye and through which objects appear smaller is referlntb;o+4n5oph;zka* +ne j-tjj-q m8red 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 difd8 qbt dy:9aa*ferent 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 op.:iudlr v9v) f 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 at which an eye can see objects soiodt071sw9 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 av4a7 4u2q9wu agr06dinr y6s*9zf dtr b- +temn 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, m2t q.j.uyb*+ *fupvxthe person is likely to suffeutb.jx y*u* 2p.qm+ fvr from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u.xay+s oi 4y17fiuu0uzd/ y7hsually be 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 front to back, thisjl(:2ehko+m p gives rise to a visionop (2h e:jlkm+ defect that 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 shor( warn2t:c b6qt from front to back, the person is likely to suffetanrb 2q6: cw(r 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 be corrego)an -el o60sr,rbj .cted 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 t 9c scke2eio/o kfe2g036m /n4gcj4isoo short from front to back, this gives rise to a vision defect that can be corrected by o09n/4sc cfs6eic mkgojkge 242ei3/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 magnifying glau a hetv c/0+ y7xp5j4.4lsxvwss?

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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 diame1mpj eg808q lurrt7 7bu,qe2pter objective in an astronomical telesc8 r 1q727umur, egt e8pjql0pbope 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 0qw)g yl7jl z)ic1 +ejs*-c4vcia 0urrefracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wi -70 guvlz4+jl c1rcs)eci0y*w)aqjill 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 ,j0twu6f4dqr throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two cqrutw4 , 6jdf0losely 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 mnn*d7*sivyvg ;:8s p7 kqgjs9agnification $m$. 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 e9z/qyj; m yt3 4*zmgmpxpect to be able to see the greatest detail when using a mzy3t49p zy m/*g;mjmqicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer froml* k grccy;3g)xa/q( u

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su6/)83 ifbd.kygtm 9 u8.alma dug3jl pffer 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 microscope refers to udpimbkg,u .1t pd 9(6n3ko7mthe 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 resolving powerb+o qi6; n+nec assuming that all other+bec io+;qn 6n 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 (in diopters) ls9 a9 s.+6t y1up pv-csh7vi*p4ak rrwill allow this phs6l9 si a4+akr 1pcu.yt prvv 9*s7-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 powetm ,ujfu0s 7h;*/kgzo r of lens shoufsh*ut;zu 70 go/j, mkld 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 glasses whose lenses havg(hyte ;dzavhu,3)or3 qlff4v;1 a;se power of -0.15 D. What is the person's far point if th ef1(3svhlvh3 o; ua4zd )q, af;gtry;e 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 farsightedna kz17og0)wn72 u 9kdjo2 nw5txctkk+ess where the uncorrected near point iko 9ankj7 )x+ukk57z0g1n2two tcdw 2s 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 fawmx yy2h5 5h:crsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newsp :5ym 2h5hywxcaper 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 read4n.s/ un :mnq3qdvg4y a newspaper held 25 cm from his eyes, if he wears glasse /4m3un.qndg4 n svyq:s 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 e8k7g9 m tyz3;x.y .+khh*bs v oj60 x.liqxwyfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification ofxj7* v+ 8g ihq9x;w.t hz0me6syyxk3yl..kob 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 pointoo(- n5m zqr38uubh ags*/(ol of 25 cm. What is the magnification of the lens for that person when their eyes are foqsuu*bo8rmn5(oohgz / - (a3lcused 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 magn8b ulcf5xp8b l:2i: vbification if the image is viewed by a r8b:82p clb:fliv ux5 belaxed 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 lendowmfo:420l dgth 5.0 cm as a magnifying glass. What is the maximum df2olod mw:40possible 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 ::hoe) jamox7 c048ju: o,4q dxc kjkbfocal length 5.0 cm as a magnifying glass. What is the magnification if t u o)akjk7q:8,xb h4jdc: :je 4o0mxcohe 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 l2 emlwb:bj wgye-+ k ,h1vs5q3engths 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 -kl y5 sq ,b1mwwjbv: e32e+ghis 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, 8.0 cm,0nz:r( dj m *rytt10du and 16 cm. If you were to use any two of these 1 ru*00t (y rtj:mdnzdlenses 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 telesco90xc5ytzy6 a zpe has a focal length of 200 cm and its eyepiece has a focal lengt9a z5z6ctyx 0yh 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 magnifica +73p3vkdeiaption of 10. If the telescope has a converging lens of focal length 50 cm, what i pdv33ekp i7+as 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 magnif)vk 8tpp0( kakication of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopevk 08tp kp(ak)?

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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 telescoo4n0e- o):faqp)t54 zvqlg pype. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objez o)- nap)yt 4q0qevlpg 4fo5:ctive?

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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 aetw/8p9/n/ pos;.cbq8 dxnwlength 1.4 mm and an eyepiece of focal length 20 mm, adjw px//o8d8 c9/ew s ntqn.bp;austed 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.-5zrjz dn8bev/ .h9sn 4 mm and an eyepiece of focal length. d985/vhnj-rz bsezn 20 mm, adjusted for minimum eyestrain. 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 a6*e/eyvagg ib m 6lmx d)8o38x focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the t )/8gm m6a*vxyib edoeg83x6l wo 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 b: rd3l jhs3ca5dvtr(n)0 wm,a focal length of 8.0 mm. What is the focal length of the er s d3 h3wv:b, )aj0tdlm(5cnryepiece 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 1(1 q6kx i am:jh1khdran angular 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 resolve the two star:kh(k1ha qri 6mxj11ds?

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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 designn;h ohsqd66k :ed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and ;k d66hhoqs:nthe 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 nc z (vxt(78h60smc gk3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle oft0n c(m8(7kzxhg6v cs 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 Tele:f5xl a52dq abscope has been placed into Earth orbit by the space shuttle. What angular resolution could this te5l5 faqaxdb :2lescope achieve if the wavelength is 500 nm?

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