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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 ir 5,w s+t8ngydn a camera is derwn,sd+5g t 8ytermined 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 a6bqqk6;h9 o;wf;i ;hncgsgg 3 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 came+o 7ni* rg/ :uh+qedcora 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 picture is obtained, this means chr7/:+o d*igne+ ouq 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 fil h-w*j r3mij(om with a field of view that corresponds approximately to that of normai m(jor3h -w*jl 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 telescier6tqd6n fa( e9 ch5:06 lnyzope to magnify images 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 2ad)dd3ez g51g9h iprthe eye and through whichhd3r ze9da2gd)i 51 gp 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 fron ; 9ja*j gfy7d12)bz9cjasjb m 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 eye occ5 )jjol7mwz ,burs 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 whp*h* oubg5 ll+t: z:kxich an 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 a176sh m,nqgtpn 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 eyeballbao 7):;k/b/viizav o is too long from front to back, the person is likely to suffera7kb vo /);:ia/zbvi o 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;l8b.on*3xs mfvv2s6*g1ats pxcg:m 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 fromtwsysd2 28 -ru front to back, this gives rise to a vision defect that can be corrected by dsu8 y tsw2r-2using

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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 bvf(y+hiae.8/arj nnaj7 r w: ns7*n) back, the person is likely to suffer fro8e/arhv(ny7wn * ai7j. jf) b+n ras:nm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualye(tt*vybz uml. -kp*,o5z / uly 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 fron- 38i a)fjctigt to back, this gives rise to a vision defect that can be correctec3tijf8g-)i ad 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,an - zja)+ qireu;bz, magnifying 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 diameter objective in an astrhen 0 t(rv6hsg /iw4tc1k 3;)st,eo ikonomical telt4hc0i r 3t,wkn ket o;6( hisve)1/sgescope 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 refrapr u)3t9vtt;m h4 adb/cting telescope. Suppose an opaque screen is plac /t3)ru9dt; aptb hvm4ed in front of the lower 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 (xvl: 3r ov /cm(j*htksensitivity throughout the visible spectrum, in which of the following casesrv m j /l:t3(vxohc(*k would you be able to 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 had6 v4chafasxzc2n ( nt29 et05s a magnification $m$. 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 greatest detail wheyeiw+c j(*x /e9w1plhn using a mic/xw e(+wc jylepi *h91roscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufw- 0ds 4h7/ ujendr0rtfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferj9cnz5nf d:/jl :b wmdwg6vsy /;ml5: 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 the abiuw) 5spd4rz m;evhe01lity 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 resolvibxidsu7 +wm tc* 6xevv8*1p5fng power assuming that all other factors remaci7 w8t*b5 f pvxe+d*s16vxumin 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 oy* 4tzq8cyg/ nf 18 cm. What lens (in diopters) will allow*yyz/ 8tc4ngq this 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 ccj:0ho2pi8 :;adpn ri learly objects more than 70.0 cm away. What power of lens should be prescribed if the :iap odh8: ;2n0p rjicglass 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 hm5 ldtxde+b5p32an;D. What is the person's far point if the glasses are very close to the l5d de 325paxb+ht;n meyes?

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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 jdn6ii *yp(w6for farsightedness where the uncorrected near point iy nj*wp6( i6dis 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 plk 9 c2n9wnolp53cakvl.; 8uiyaces reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. ok k3 yl8uwna 5ncv9cl;i2.9pWhat 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 h/ygmdbahr,c;n pt a9fv)cce8r; u )27eld 25 cm from his eyes, if he wears gl,rc)r pc8cya 2h;u9a v )b;nt7fed/mgasses 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 near prvv 0s1q0cd ktwusf ,*+k; gfg.j4j8y 7ol3fxoint of 25 cm. What is the magnification of the lens for that person wh+ktjg4jvf yfkq ru1 sg.c83v 0x*,f7;wd0lso en 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 ps sq33vvn*0pt8/8a ou t nx1xloint of 25 cm. What is the magnification of the lens for that pvp xls/t01u so883qax *nn vt3erson 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;5 ztqzq9btec: bn7 7c. What is the magnification if the ctzb7z5qc9qb7n ;:te 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 of5le0-zm 3u5v*mk(ex c m w+qhn focal length 5.0 cm as a magnifying glass. What is the maximum possibh(uc3m550qm kw*ne+lz vxe-mle 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 azs (n/ wh /j(wz0h2cvcs a magnifying glass. What is the magnification if the perss/ z w0 cwh(h/nv(cz2jon'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 fmeswu(,7m./i zxi qhkf3o*bs,7n -*d wc tbt1ocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of th /m.,ks, s ti*1thmx3db*i(-7bw 7ezqowfcunese 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 cm, and 16 cm. Iia d-rp3my:wy fw -;/xvzot7 .f you w.dtp rw 3m-fixo/ y7;y wv:a-zere to 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 hal u(r3 oelhg0knh,93 ws a f0h( hwlg9nu el3ko3r,ocal 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 astrono9ie*6fsjj6u tg b6(xymical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is tb6ig*jj(t uefx96 s6yhe 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 akec+uz 8yao (* e2ps1kgr90ykn astronomical telescope with a magnification of 10. If the telescope ha+u*(ye 19ygs0kzkpak28rec os 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 limited to/;j1pfakmiz5y)fl; soo lid/ 5 ; rjq- a length of 20 cm, what is the approximate focal len/i;pa;d miql/5ofs-rj )fj1kl;z 5y ogth 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 eyepilw sght-9 4; 2mj 5ddhfwzf2)vece of focal length 20 mm, adjusted for minimum eyesd f4h -st2jd ;9gw)vwzl h2mf5train. 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 any /.g71lhkprjd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood samplek7l. pg jh1y/r 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 w yc*fxrsrxh83ig 4dz w/fr,7, ith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If f,rxgwi3 yh/7rrd f *4xc8z,sthe 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 focakls 6i3 9kg5el8r. jbul length of 8.0 mm. What is the focal.eu8bisj g l9 63k5rkl length 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 has an angular sep. iw;,-y-e pblj*lpwbpf( tj9aration 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 lp9tf ,w-i;be*.p j(yj w p-blthe 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 which are 0.010 mm apart** zbhvr-g7m)8 j yrcc. If the focal length of the objective is 4.0 cm and the wavelength of light*r)c yjr*-hmvz g7cb8 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.mt:rsr37sw4e* d m da0q jd*4s5 mm to 1.5 mm as the illumination is increased. By what factor does the mini*sweqa74d 3* j4d:rtmsm s0dr mum 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 ivd wqxs*2zhv2 a8abkyd ;5 zr71oj 6h*nto Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wao2dz 8r jyv; 5h6qsw21d *bxh7*k azvavelength is 500 nm?

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