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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 open and the film is exposed in a camera is d5e-2zh+i:wzby g :3eppgj ru 2ethweg u2: +2geb5z:p-r3yjpzi ermined 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 camnp ;d,+ fkt,dutu/j)l 3d,(uz i-c rcbera 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 dist9kzikpj v. f ,8g,pc2kance may be varied by sliding the lens forward or ba2jp,9 k ,fi cz8.pkkvgckward 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 that corrolif nv3 x9wik7,4 s3fesponds approxiivl73o, fxsnw9i 4 fk3mately to that 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 ib mrc b:w, gv;+s1pjz)mages 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 field of view than that of the xp sq94c-6dk e(m8y3 i:oifvj k3fq -dx6s9pc vyj8:ei oi m(4eye 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 different from the0ueh +gt- 3faj 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 eye occurs 0o,g)k put uy u(nnx-/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 i bg) e)/ .upjzm34li+;lnwgj 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 eyekz;j*nf0 m7.zb x b8sn 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 fux6t8j6maxo 1hx*ee 1 rom front to back, the person is likely to suffer from au x6h ex6e*jmo8t1x1

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuarl l l(slo mx3cq2c iwh+a;f6: o8g+r4lly 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, this gives rise to a)0bf::j, dpy o u5e y,vy5swoz vision defect that can be correctedus)e5py vodzfw,::oy5j,0 b y 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 fr:y ir xxx6r2-4 rdt3kpom front to back, the person is likely to suffer frk4x3 r rtyd-xi 2:px6rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually bym+l:xx)wf.t bdf 28m e 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 too short from front to back, this ; nn *m:tnihznov1 -/.ch j8uxgives rise to a vision defect t v;jnxom-8zi nn cu /:1hhn.*that 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 magn 78/iw,hl ,8:p f:t;fko ya)l xrcaldtifying 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 diam*choqipw;(3 ( j,c kwg+:i dgo6jnw(n eter objective in an astronomical telesc* o +igj n6((ckh(; ,nqwwjp io:cw3dgope 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 *.; wklcykqk lho4:2hh3ri3qtelescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this have. k2k yhoql43k3hr :w*hcql;i?

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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 thpiuk (;d 0sdujq- n;ivw7 a.:sroughout 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 obji: n-uipaqdw vj(d;s;u s.0 7kective 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 magnificag5jjx/7 kvio0 s0j+ x0dx3 bv:jreop 8tion $m$. 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 c. w:a n3thj;wsee the greatest detail when using a micro. cjn;aw wt:3hscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer-mvh0+ ltja)qwg,y v(5yie:+ b9 bhkr from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufuvdw+m3-6 e zdfer 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 reka; v;6:lru5at kn9 lafers 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 r dy.i1m5agzx.i fd(.xadar dish is doubled, what happens to its resolving power as i.( m5xa.df.ix1gd zysuming that all other 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 h8, ltx/m rk1ra far point of 18 cm. What lens (in diopters) will allow this person 1/ ,h8rt lkxrmto 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.z1h n*gkvkq tz;h(hhmm -8 efl1:6d h20 cm away. What power of lens should be prescribed if the glam6v; e8ztf:kq12g*dl h n hhk h-1mz(hss 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 whoso6mt*q *wlwt +e lenses have power of -0.15 D. What is the person's far point*w *wo6qlmtt + 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 to correct fdhga3v9 *8nofpy +ekn 0-zoaca(j92ror farsightedness where the uncorrected near9n*a-9 oh+rz afncjp2 0(a8 ydk voge3 point is 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 py hbo.n2etg58erson is 100 cm. She places reading glasses clo yn2ge h8to.b5se to 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 from his eyes, if he wearhh)m6*w:2ipkj-ud ud+ l0va is glasses of- jvh 6 ) *h2u:kmdl+uiipw0da
+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 near pointkz 9 ;o:svrrc. of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infir 9 vcrzs:o.;knity?

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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. z1q yfv bcmf 0b)2b33aA person has a near point of 25 cm. What isy ba)23 1b3qc0 bfmvzf 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 focal length of 7.0 cm. What is the magnih(*. p qut-ninlp 39lvfication if the image is viewed by a relaxed eyilhv (p3*tnp9nl-u .qe?

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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 length 5.0 cm as a magnifying gl ( 0ln.nblu6+afe4hzw6lp l4uass. What is the maxiwlan.6pnb0flu 4elh(z+ 6u4 l mum 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 foctz-4i6kauhkmcj.7cy + *6 tmeal length 5.0 cm as a magnifying glass. What is the magnification if the perso+ t.6 ty4k ikuzmc7ame *hc-6jn'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 2.0 cm, 4.0 cm, 8-cf g x;ey.j*i.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, .e cfygjx;i-*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 2.0gc dgxvmk:z euy 8163* cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope* yeud1 gk68gcv:3mxz, 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 h pe0n9nrn(nho mdl;g*u x/j; 9as a focal length of 200 cm and its eyepiece has a n0 e9; l*x(gnrn /9pmdonu; hjfocal 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 ,xggrur1)la2rs5 w6 q 10. If the telescgg rwu,r2)6a5ql xr1sope has a converging lens of 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 astronomical telescope with a magnification of 1 (-rmnbrk97 .vgdy hq10. If the telescope hasdkrh9- y7v gm.(1nqbr a converging lens of focal length 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 limitw*k .uhd d:urzgthfqt/.o- 23 z 3o6tbed to a length oq. g6o 3u kfz* t:wrob/.uhd2t 3td-zhf 20 cm, what 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 1.4 -/k crfgn m08i p9uq2omm and an eyepiece of focal length 20 mm, adjusted for minimum 8ufg92cr -pnmi/ kqo 0eyestrain. 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 lenskkzgdc,q0 z+:1d yv i3 of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. Ayg,k i3zqddz c+v :1k0 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 a focal length of 3.00 mmvp6pwg6yt 8pfq0.,. yly jw;o hhd-9k and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnilv9 y6o -w;6pqk,0yh gd. hwt.jfypp 8fication?

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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 zx;zp0cz:qd49j hr j/barrel and an objective with a focal length of 8.0 mm. What is the focal p;dz qzh c4j0r /:zxj9length 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 constellation Orion ha tlr4ranc/5l-s an 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 j5rrt c/ll na4-ust 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 resolve objects whiclf+ ttg1ox*j (f,q 2oph 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, what is the diam1 +lj( og2tof*fxtqp,eter 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 3.0:k:-gk 3dg8 hak2xoz2ici qe d1cx4a5 mm to 1.5 mm as the illumination is increased. By what factor doesz:ga-: 83k hqok ic0dadex2c12 gx4 ki 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)+r).z ek dziwjf0nn9 Earth orbit by the spacz0wnn rd.9ef i)j) z+ke shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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