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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 t/o/:c2ctsa qi:x -ixyj,yf 0+*lu g o34z sjzexposed in a camera is determined by :/+ /lj uasi:y,ito42c f o0tgy3-xsczzjqx*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 camera is determined by8lwsb 6z, c8ud 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 varied by sliding t; ;if: z*llwh79-8h kmruxherhe lens forward lwrelx 9 z:;7fh;* rh8hi-k umor 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 that correnxdr rvcc07+-mye-l0 e, s.a nsponds approximately to that of normal vine07dm c-el+-,ry. 0rcsvx ansion 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 referrb;98f s o spg9kg-gszf/d8zs: ed 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 thedc .p,qebn rd nhiy*4q7 -;,mj eye and throu,q,rcd .-eb 74yp*injndqh; mgh 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 llj 7yb9u74hw utf tf02a1sou 1*7ifw 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 tlpu*us(1 eug 06 our :/5bnkljhe 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 objec .xnjy6ci-)mq3ap5pjb w(k kw.m+9x cts 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 eye can see ;etbsm (p04rpa* fd4pobjects 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 f8 kj rg0y;ygm 1vq5y9mrom front to back, the person is likely to suffer jk5yvqmymy0;g 981rgfrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuah/cohsxd2q1:x1 b1hcxy*.bw lly 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 frod.*jj1ya*u e2wtmjjf 6w* s0jnt to back, this gives rise to a vision defect th0t*s jjad6wju2j.m jewfy **1at 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 short from front to back, the person i31 beq.l/pfnc d3a5 9 -v c*gyesb o4eh.)eoais likely to suffer fre94vdh/ 3) yp1eefagb.l*-o 3aoec sicnq .b5om

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usq 6m0+ pjt0xyv,z0ohj c man( wkns18i96hn/yually be 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 giv dfruc7wk6 x5c6y-u 3ves rise to a vision defect that can bwx dvuy 67r3f -uk65cce 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 glgu z50k0* clgoass?

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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 b993ut81q zekx fjn n0very large diameter objective in an astronomical telescofun1n 3 8beqk0jzx9 t9pe 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 screen bt vcf-jqtd-4sn)1 f 3is placed in front of the lower half of the objective lens. Whattjfsv-1) fbc3 nqdt4- 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 vib) pu6h .e*nqrsible spectrum, in which of the following cases would you be able to best distinguish between two 6rebh )unpq*. 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 ma1q 8ncaow 7yhw06g 2rmgnification $m$. 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 greatesh.c l7w r.*ajit detail when using a ml ca 7rjih.w.*icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frqk8g6zma : xo:om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fros)7b* n09sv08k p/zwra zh. bmq, vifmm

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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 abilitypo+onl20 /2 +ohraoya 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 w qxldzn;bz449uv*/ d power assuming that all other factors remain unchanged? 4nd4;wq /zzu 9bd v*lx 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 dioptersh6v:e4fz wl8g ) will allow thi486h:fe vgzw ls 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 y +ly1(sxmj d651ztqomore than 70.0 cm away. What power of lens should be prescribedzj q6t y5x+yd1s1ml(o 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 have power of -0.15 D. What is 5( mu pxrsi+;jthe person's far point if the glas5p+mr s (uixj;ses 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 farsightedness whers/( o-/mk mxm6x ioji+e the uncorrected near poin +ijox6-/mm (ms/xi okt 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 readi /j5pyo*rnm0+.bn7rc+hj nqb ng glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. nj r pb+*5qo.ycj0mb7/+r nhn 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 wears kh4a :a4ciui : 2waag5 hesq r+..fcx4glhq.2 aaawai 5urx4:+ck4ghf esc:.i 4 asses 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 orw 5qu8uzs3yr c.) 9yif 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that per zw yic)s83ry.5quu 9rson 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 pointh;ypfk*n vyd eemg d2:;h/s h ):sc-9d of 25 cm. What is the magnification of the lens for that person when th yes) ecdhh d::g;p*/ mf2vd9sh ynk-;eir 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 c,e6afgllu -u 1m. What is the magnification if the image is viewed by a re1,le lu-6f ugalaxed 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 p*q/c jt14f, hobqc5k)5 dguk5.0 cm as a magnifying glass. What kt 1uq j5,qh5k)4/ cbdcfgo*pis 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 glass. 5t4wx.ytsotd, 7zhgb /x7+g k What is the magnification if the person's eye is/.bwt7yog4kdxg h+s 7 t5zxt, 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.b*8a8mxti08 j: zckhl2l ywfgxi15h; 0 cm, and 16.0 cm. If you were toi82xylh 5mwb i8jkghx:t0af c 18*zl; use any two of these lenses to build a telescope, 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 2.0 cm, 4.0 cm, 8.0 c r7is 86qa *fec5fx fnqthi z7y/,n:e6:ps q9am, and 16 cm. If you were to use any two of these lenfna:q ,iqsncps rf 6e*i:t qxz7576eha f/y98ses 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 telescopy7c2rt4enimd82 iop 9e has a focal length of 200 cm and its eyepiece has a focal lenct4ip279 i8m ye2rno dgth 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 magni)k3zk,iid v) oii -hq6fication of 10. If the telescope has a converging lens of focal length 50 cm, what is tikiz ) d,qo)-3hkivi6he 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 10. If q6t ;7g0xs )onlw0il hthe ;os6i 0w0lhn7lq tx)g telescope has 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 us:r:;(lg xpbfcp :pe ;/7ppc limited to a length of u gc::r pxpc;7esp;p :(fb/pl 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 mm and an eyepiece +qdx(3dj pn(ejy 0 0uwof focw+eqdd y ((0 0upxnjj3al length 20 mm, adjusted 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 1.4 mm andvlk5wv:wc gnff/f;i 1 -pr0l )o-) tid an eyepiece of focal length 20 g-)i)vwc0fl lt-/r:1pkdffv 5own; imm, 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 a focal length of 3.wr e;(v dm.np200 mm and an eyep nv( we.;mr2pdiece 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 barrel and an objective with a focal lengt37 ndtfo24dx/xt8onth of 8.0 mm. What is the focal length of the eyepiecdo2xtn/tn7fodtx34 8e 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 tk452xu 6bia et lmcrhp,6b)i 16yue/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 (diameteu i16re,t c56iyblp)2a/tu4be6khm xr) 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 resolve objects whichzejd+w4 b a br/pm.lg03e ;2zf are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavjlzp w3/z 4gd +m20f;a.erbebelength 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 eyowmk.y81 yz k;e changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chm.8y;wkyzok1 ange?

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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 Tn. j3bz 8nmllg1;kn0k7l5ff ielescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the .f0gnbn5 l8lljni3 ; fz1km7 kwavelength is 500 nm?

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