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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 opddee ca d::+.cen and the film is exposed in a camera is determined by th dc+ed.: :decae

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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 ix/b4m(d d am s);73dfmw0fk(gznnx c .n 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 varie8e kb90subw1 dd by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy pice b 09u8wb1dskture 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 vie*.nr7eo;zqa * o6 ikncw that corresponds approximately to tc6 *rnqon ikz7*oea.;hat 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 images is referred ,mlt e)3 cjs, mabuj*u1l+af;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 wfh k*g jo 8nf92ghpu 1cb--s+vider field of view than that of the eye and through which objects appear smaller is referred to a8jvfuh gp+h*fbs-on 2k 9 1-cgs 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 dnoh2m0x3/w roy n/dz5 ifferent 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 ey -:l+b:13ti2eudr a j 3glgtin;8 qpqke 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 clen uez: gsr/d+ik -o/grzk1 s fjv;07r,arly 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 wh w*rrgc +zy7rwkc-3je u+qiy2n8o85oich 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, the person is likely to mrr * (xvh vd.*5o1nk)kp g;fysufv nm.5droxy*()rvp1 *kgk f;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 corre e3- j58w54h 9xrjmw8kgl iunkcted 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, this gives rise to a vd2cd8 u y1kkof,3 uxi9ision defect that can be codk2xuu1 3ciy89dk of, rrected 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 front to back, the personhntq0bcxnpk, kc5:xf4g wks 7 7z41;h is likely to suf;45zc4h :bpwx7 fh7cqkt xk01n ng,ksfer 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 corrected wit3;kst d* 6mc2rxu,wg hh

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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 frodu8 y+ lcmb u4n v7jyaj1/( a4ghz9f- b4rv4zjnt to back, this gives rise to a vision defect th y+17hj-u4mdu 4 rabj(z8jv9v4cgl4bn / yafzat 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 magni(irnsk x5 dqc y4-x*m: n5pr2sfying 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 ;u3.vguvut. o;ip3ovusing a very large diameter objective in an astronomical teleg vtu i;.vouvou3.;p3scope 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 opaque scrrp-gjqih ,j5i3/ yd.peen is placed in front of the lower half of the objectii.,q -3jpjd 5/ryhgpive 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 sensitivite(k;du-xv)w2c g3z)sfj /rday 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 objeukj3 rgac)zf;2)(xw - ddvs/ective 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 magniz tn ,hgafumh),v6ur:jnp5/*fication $m$. 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 expy4rtpz n3k5a ,/-; dsavav0l cect to be able to see the greatest detail when using a mal5an0/ak4yv s,d; -t3zc vr picroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeo4c*qc67fb v qww. u2tr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe+r*jdpn3:kksls u; * sr 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 reuds solq* 2i28fers 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 r1.7dg5iou jv5m)pj2v s( jwzn esolving power assuming that all other factors remain unchanged? Its resolvidv1wo 57u gv z2(.mjjpsij )n5ng 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 diopt/x -+ whr;frpkers) will allow this person to see distant ofprx hwk+;r/-bjects 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 a *n fib2a2n:cbway. What power of lens should be presi2 nc: *afb2bncribed 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 we4+(c njrbk5x asae l7(ars glasses whose lenses have power of -0.15 D. What is th7+ j4(axbacsl nker5(e 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 needed tovmrw)1jkksrc357h m ) correct for farsightedness where the uncorrected near point iskvhwkj31)sr5 cmr)m 7 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 farsighted person /v br(w(t xgbs ,1v0mh8 hk:rnis 100 cm. She places reading glasses close to 1ghmn b/rb8x w,tvrh( vk:(0s her eyes, and with them 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 f*ukdp siq0b q1 rt45 uo7gm1n:rom his eyes, if he wears gl*bq1dk5 7i qs1 p u:0numtgr4oasses 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 n9 44 jq8l.q,uowavlzxear point of 25 cm. What i9z 8uq4qlxjl4,wao.v s 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 r3 y)tkary,5t length of 10 cm. A person has a near point of 25 cm. y,ty5tr rk)a3 What 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 has a focal6) 0m3qfgasyh5t51d +naxdv z length of 7.0 cm. What is the magnification if thd5gfxs6+1t0d3n 5ha a)qmz yv e image is viewed 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 ofynre 5 j7movd:of::wsc g1):x focal length 5.0 cm as a magnifying glass. What is the e::v5xo:mr:ygw dn)cjso7 f 1maximum 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 magnifying1x:oqw l47+ :tndto9g r x)zo0mjr 8zd glass. What is the m+qw)t7on9or zdtjz xg::mlx1 r48o 0dagnification if the 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 lengths 2.0u2n hm5qsxbq x:1p 7*b 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 magnification you coul:q71xshn bq5 p2x b*mud 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, ande) daq7 5ks4l/81e cv1 kriplbx; r8dt 16 cm. If you were to use any two of these lenses to ba 8xvb4 1i/p7d; lk es c8krdq15tl)reuild 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 and its eyepiece h. h0bd *e7xpuqas a focalu7x h.peq*0db 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 astronomicak .nj)9 tgmqp/ i7ki(ml telescope with a magnification of 10. If the telescope has a converging lens ofqi g7mnkj9)i /kpt .m( 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 astronc y3hqsfxxt ;* 5qzp70omical telescope with a magnification of 10. If the telescope has a converging lens of focal lengthx5 s;7thq3zyc 0x p*fq 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 tep0e dr-y,jlx94id 3j vpg,ds3lescope. If the telescope is limited to a length of 20 cm, whx 3-ld ,,r43g0dvdsjpjye p9 iat is the approximate focal 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.t it .yd-h/tr)4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A/)- t.tir tydh 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 objectfhmk3 )dtth,c p..tg;)dp .ckive lens of focal 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. What g.;ct 3h)kptd km).p d. ch,tfis 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 vn3t;hwc- ouy+pi1) t of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 y-o+ iv h 1n);tuw3pctcm, 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 uqsdeuru9 uf1.;s r,.18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total ur9srq .f.eu ; uu,1sdmagnification 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 angular i /ng. d*+uhyk/lm d(yseparation of 10-5 dm /ny/lu igkh*y(.+ drad. 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 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 res+ ((m;medl6swswl2fn3 u xo(oolve objects which are 0.010 mm apart. If the focal length of the o62nsoml3m((o sflw(xud w+e ;bjective 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 cg4 cub6nq goq.ove 9n1;8 7kw*c +qja1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutin8eb6qko 4cw9*.qo7 gv ;ccga1u qj+ non 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 plac9ec9cw0u+ rna ed into Earth orbit by the space shuttle. What angular resolution could this telescope achi0n+e9curawc 9 eve if the wavelength is 500 nm?

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