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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 i (2r qxvwjrkwb4:kr ,+s exposed in a camera is de,2 (wjrwq4rb+rkx :kvtermined 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. qt:t iw*aw6k 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 ca9 s 1txbs*qpdbe;.3 damera 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 pictureds bxdp 1s9ab* q.e;3t 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 correspo3, s7e:rhk3xp 7 fsmdpnds approximately to that of normal vision is referrpsm7,h7e kf ds3p:3xred 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 imt .pmk 1 d0kbj:76xefrages 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 ,by*ualyq o; 3than that of the eye and through which objects a,*y3luyo; ba qppear 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 cam 5,an-ozaok 5y2y3uhjd6e( oo era 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 refrac c4s2a;:n m6jqq( z54yvbgpi gtion 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 at which an eye can see objects c5k6 q2tf y(awzlearly 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 cay9kgyjb0,8wfx3q8miz s k7a1 n 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 b is/zfe1pc2.z ack, the person is likely to suffer p1s/izz2.c ef 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 correctebdb gn9.2)o8gihowl n 5bpe1.d 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 k;ee; e-ke * )/oyrrqsfrom front to back, this gives rise to a vision defect that can be correc reee qy/;o;k )-srke*ted 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 person is likelhdwdcp1ox 57 )f( ;ys3q dma9dab 7(lqy to suffer ;hsx)a7 bd(yw9(5d 7dol aq pm1df3q cfrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually b*7s:rif 7nph6 ,iol lme 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 gives rise to a qo;u5 oc-w(uvl1tw9c vision defeuc u(1cow w- q;l5tov9ct 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 magnifying/ gqx0;m +tcrqy)huu2 v+8+ p l6vsrsh 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 usxadgpqc 4;6u/dh5- c ,eprr:q re. ct9ing a very large diameter objective in an astronomical tegdeq/, ruc tpa r- dq.56 hx;cpr9c:e4lescope 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 telesco0w:cm0 2r: -6ki l+yzucwzkh0 kkk,ospe. Suppose an opaque screen is placed in front of the lowec ukzr:wz 0:ly0shk2kik-6,0w m + kocr half of the objective 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 sensitivity throughout the visible spectrumikj*+ hjh83cq , in which of the following cases would you be able to *cjk q3jh8hi+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 magnificati1a z.n,s3aumt on $m$. 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 g a 6k(q) d.s)6efl(y: hpfqcowreatest detail when using a microscopqap(kh wfs6)ld6yo :( )f.cqee?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr0eg. xj+-oh3wr-jsj:7c flqiw 2vy4bzh /g9 qom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer uv6wht6r4cj/9; , kmq+r tfbmfrom

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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 abi-w ( nd2fx f zvae f2kp459gf mag83f.sf8iv:clity 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, w8t, vx,o +dfn*u v+vwrhat happens to its resolving power assuming that all other factors remain unchanged? Its resolving powxv t,+orfdu wv+*,vn8er

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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 79k/i: ce *bv-dup9wlae oqr1of 18 cm. What lens (in diopters) will allow this c-p7 qd*1auv b9erk: w/loei9 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 objec oi7.b -e5- r5lhibylnts more than 70.0 cm away. What power of lens should -5-7hnilio rbe5 yb.l 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 gl ,xqi/bv8hsdab6(*je xc7 z+uasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyese6*qj/sbx d,7x vua(b8c+zi h ?

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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 farsightedness where r g dc3b6 c yrhgd2h+*ve-5jy6the uncorrected nevdbg cd g+ 2536j6rey*cyhhr- ar 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 person is 100 cm. She places reading glas4ht sa/ ujc :kfph97:clzhwnw25g0w4ses close to her eyes, and with them she can comfortably read a newspaper at a distance ofj49z :h4u0 5h2lktwchpws7fg/cw: n a 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 fro7eqdx-hp5 ; os ky4fhxy59is1m his eyes, if he wears glasse xpk sqxh;i9o5d4f15hys7e y-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 focal length of 10 cl msf4txz5/x :nn(( ucm. A person has a near point of 25 cm. What is the magnification of the lens for that perso t/f(n s x(xn:5zc4lumn 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 po ;2-: njpd ihgl6i,pzhint of 25 cm. What is the magnification of the lens for that person when their eyeg- :6,; j2nhd pipizhls 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 cfv.5 x3)d evmxm. What is the magnification if the image is viewed by a r3mxdfe)x5 vv.elaxed 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 length 5.0 cm as u(p.c.so,agaq vg+1s n,nl-7lqt2 dha magnifying glass. What is the ma ,u d1n.nsl7q apg. vc l2(-sg+at,qhoximum 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 converginsk;n6qwnb s7e-nvgas 5a vx 5;4so),q g lens of focal length 5.0 cm as a magnifying glass. What is the magnification if ths sqx45aw ; 6snk)ebsa-7o;nn vvgq ,5e 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 rr- st,)bxwx6xj 7 qo)0igz8qof 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 to0jtr7-x)6sxz ) w8rqxqb ig, he 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 lengthsmv wvpz19- q2m 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were 2w vp9 -1mzqmvto 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 and its eyepiece has acmxffgya( uv7s5j7r m8+xd ( wd3 9p(x fcjwsd377xm8xf+y f(( xvd(m gp5 ur9aocal 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 astronomi5nxvlkwznk j0;eys )(sq8 ,6 tcal telescope with a magnification of 10. If the telescope has a converging lens of focay ) enwktk5 xqns(vlz0;,sj68l 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 o4kg;n/ajso: x6v8tgr+o7 zh of 10. If the telescope has a converging lens of focal length 50 cm, what i g: 8o g;ozsx+h4orv/ka n67jts 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 limit fsyq9 -6;eexded to a length of 20 cm, what is t-qf eyx9es;d6he 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 lf2py )z,eicni9oqli(:3 9 g;h -yll xrength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm fr) 2l efi:li p-;9lxzyny c,g( o3qir9hom 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 1.4 mm and an ey.r y8vr9ym)vuau ykotok5ezu20 :c83epiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnirmye2 kuov:o53c 88.yuayk r9z)utv0 fication?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope hnfn,*)1kvq ku5yp+7xi sm (qy as an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnification?v) pyxqmu* 5kq(y s+,fk17n ni

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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 withm 6eag38f;5t),abatbwrx 2lr a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of 240?g 6m2;ba,ttlrr3ew x )5a b8af

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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. ea5qs5pn; 9r agkgi) Orion has 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 just resolve the s95e)a;5gkgr a npi.q 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 ob ilv8hyp qy468jects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavel8ypqvl84 i h6yength 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 diametebyb 9lbsui+f3u3:awox i 6e 8rq; w7:kr of 3.5 mm to 1.5 mm as the illumination is increased. By what 3;lyaww x u3o bf+kbsrib:uq8ei :9 67factor 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 orbitr-(k3l5mfn y/ugfpdk3t169gmz aj.l by the space shuttle. What m 6-t 3lpff3nudyz (9/5r1kkgg am.ljangular resolution could this telescope achieve if the wavelength is 500 nm?

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