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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 expose g21*,kminyz( mx/ t:le sorp-d in a camera is dete-rgtepsin( :o* my/ x1zklm2,rmined 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 camera is determined byv*uiu- ) )mdyq 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 slid :4r q0v*cr1nvhs4d vring the lens forward or backward with respect to the camera housing. If, with 0*v4 rv1n qv4cr dh:rssuch 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 corqi .n-e-n5tkkresponds approximately to thatqtnk-.ink-5e 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 to as;m: p*f6h6xgirsfamyy+* d6s 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 cop5+vwuq fevku*3j(k )vers the film with a wider field of view than that of the eye and through w vk vu+3q5k)wu pfej*(hich 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 camerfx)5 9viwofax66m( ex a 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 refraction of light by the eye 07gia0zm)rk x 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 obv u/l4cufo ztb/v4v/ 8i1nhl8jects 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 objects cleavcz3pws11 ti 2rly 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 to qm +ajl 57;uyv9+x+z+szyn sikj)w:ro long from front to back, the person is likely to sur:n+sv kwi++ 7xz ua+9jmyjy;q) 5z lsffer 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 yonq* spyzbi(9xxz l6tp0 ,0;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 ton/iqzxww.vi 2n*( oj.o long from front to back, this gives rise to a vision defect that can be corrected byiv2(wzi nq*.xj/w no. 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)kb5zw7 bgakh;: bzt- likely to suffer fz- kgbb5;z7:bhka w t)rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu 1bfsbtl,x 6 ningrg)s5::ki3ally 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 gives ri9bx, kmnm*c . wk(q c*uxi4t5fgj 0q;fse to a vision defect th(qjq mx4u;f ic k*w9b0 g.xt*cmf k5,nat 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 * smc7k2xssgyjy 99+c ofcv7-7zd eb:a 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 usd.7btij w f43sing a very large diameter objective in an astronomical telescope .d s4f iw7bj3tis

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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 ftj:6 ,fabhf+1n,o a fopaque screen is pla,,n16fhtff oa+ bfj:aced 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 sensitivity throughoqha4mn:*0yp ,;rey y cut the visible spectrum, in which of the following cases would you be able to best distinguish between two clo y ehp;a0r*y4ymq ,nc:sely 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 magnificatit.2uevw/zln fmbj0 .: 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 a 4zx3b7h v6mdxble to see the greatest detail when using a microvd hx 463xmzb7scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe21ysalki +2 ylb2wau*/ad eq +r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suao k0el7/q )e:kl 0); uz muur-vgs1hhffer 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 micros*xi.a:im.a (, +dqci5afc is zs13swqs h++w vcope refers 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 ras) eax; .ijswo/z4 nxxj *ou)+dar dish is doubled, what happens to its resolving power assuming that all other factors remain unchan.*x+ oa;wzs ju oj/4xx)e) singed? 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 kbv r;btk.7bg;nnn :u*9: bl qo,(uzbhas a far point of 18 cm. What lens (in diopters) will allow this person tonbbb9bqg: b7u k*kuntl .n,:r ov(;z; 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 70.0 cm away. What pwn k2)7pdqbs4krp(m.ower of lens shouldmb)qk 427 d( rknpwps. 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 glasses whose lenses have powerlw p8/tu+vup6yd45 rf2 (9u fcr6mnyk of -0.15 D. What is the person's far point if t up 6frwkymfr6vnyl(+9dp24t8 5uc/uhe 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 for farsightedness where the uncorr8 4nlygsu ).it9 uz+raected near pointu)n ytlu .rs+4gazi98 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 farsight)- m )0wdy2len xqitt+ed person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens pn2))+tq0- ylxi medwt ower 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 flp: et3ex *9e mx:yk:yrom his eyes, if he wears glasses ety:p:*:k3xx9e eylm 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 lengk(n05v9pfi;ntetw g8th of 10 cm. A person has a near point of 25 cm. What is the magnificav908nwg;f(k5 pei tnt tion 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 length of 10 cm.o3hh9ffctgw. n +gde) /.sd hkb(ds*( A person has a near point of 25 cm. .ddhf o9 h(g b k*cnfw/3s)t+(e.shgdWhat 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 focal length of 7.0 cm. What is the magnifi9w og-jmv 8c qe((ydp7cation if the image is viewed by a relaxed eye?ge(9mw( jovp -8cqy7 d

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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 converg6j bu-av-t. -a1nva1rq kr0q6 pqx8 uaing lens of focal length 5.0 cm as a magnifying glass. Wht 6rjq18-vqau6a kx.qn 1u v-a-r0pabat is 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 length4u1b1a f xizn:,(iq xj 5.0 cm as a magnifying glass. What is the magnification if the pjqu ,1fxz4: n1( ixiaberson'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, 4.0t(pp r*gs+fj(ukmis(7 bcc;y8* wzh+ bhbp/0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lensemp uhi +( jksc;wrgstb 7fc+z80/ bp**y(bhp( s 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, 8+srxi 8*:obsw/gymp and 16 cm. If you were to use any*om +s:y8is8gpxrbw/ 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 has9bsu *;qd a3gjy8or p1 a f g jsap8*19dou;3ybrq 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 astronomicd 9eekt bofrtauy1 d/0w.;u3(al telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the;.ekwue/at dyfr03bo t9u1( d 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 v8hj )to.qbbpc40)b i10. If the telescope has a conver.)c40t pbbi8h ovq )jbging 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 f 5rv.g6e tiqr6e6 rf2limited to a length of 20 cm, what is e65teqi r6fr6 fvg.2 rthe 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 objectivenq)tp w54:hyw27d nu5rjv q7 w 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. How fwhtq w4p5nj7rdny2u 5w: )q 7var 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 fm9zq-yrj mrlol4y7+c d6 k5g .ocal 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 oboymz9jrm c. rqly-5+64ld7k g jective. 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 focaqtx ts+ay:xa1 pu19 -cl length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses caa9xyt:1pq +xt1 u-sare 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-cm4ovk , wvn5uu( barrel and an objective with a focal length of 8.0 mm. What is the focal length of tvo4,nukw u5( vhe 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 constels6-( .nxtpmjalation Orion has an angular separation of 10-5 rad. If the wavelength of tha t6 (-psnmj.xe 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 oc m0.vhq.o u9gdqo0aj d 93c2is designed to resolve objects which 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 i.d2jog3m oh9caqvqu0d c0.o 9s 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 1hn , c,-scg:sk.5 mm as the illumination isc hg-:, s,nskc increased. By what factor 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 2cefyq.3fax3Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution 2fcx3aq y.f3ecould this telescope achieve if the wavelength is 500 nm?

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