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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 5 bd+j8d7 tp0rrcg-b6vl2r bfa camera is determined 7-lv260dfrpj gb bcrtb +rd85by 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 by the6oc. b7zpmb j;

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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-fiq4x1p9 jw6jki- e8x cllm 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 obt clw6k 9jjqipx41ex- 8ained, 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 t.ga305fq+g k;hoefv gw1 kxj-he film with a field of view that corresponds approximately to that of norma0aggkewvq jgf;fo+hk.- 5x13l 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 iv: zutc 0 mvt4.v7o:crmages 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 t1 bxr +b9xv*-:wxdd chhe film with a wider field of view than that of the eye and through which objects ap 9c*+:x brdbxd- wv1hxpear 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 froj/zk51 zg4 2purtu z-am 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 06s x kkwn(o(1zgjq pp /lli+.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 atwri: nn-e wv.(r3l1uxm;8mj o which 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 an eye can see objects cky i6s swr4*kj rhu:32learly 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 back, the person is likelyhhg* 39/3wirjedskb2c w 2-fd to suffer frosf3g*2he3k w /dw 9cbjhdr2-im

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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 corrected withwiin1x ydub/ .(:8yi m

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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 8omrg9l 7agq t(),m jbc7m 4hyvision defect that can be corr 4j8am gr97y l (,hmtmgqb)7coected 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 persoevb/. /c7 tsqn)thatb ,*jup( n is likely to suffer q/tt nse(bu*a)hct/7 vjp .,b from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usnz8ucyg+ d cnu-z-72l9 f0jj gually 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 ri mt+z 39wvf)ncse to a vision defect t+)wt9m3ncfz vhat 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 glasaj,+wy s/ vqc.s?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason foyc/5-5r zysj hgz: 3ehr using a very large diameter objective in an astronomical telescope izj hy535 r c-/h:yzgses

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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 telj4iz rl/)vh./0mofy mb8+g baescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Whavf4bhobiy z/rm. ma j8 +lg/)0t 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 vis10ppfb/pp( y+f (khtp ible spectrum, in which of the following cases would you be able to best disp+pbtp y(1 / pfkhfp0(tinguish 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 magnificat7d ;n1ufwfr5wion $m$. 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 to9qflc33 vu (xf-xda-m be able to see the greatest detail when using x-lf3vf9a-( d3muqx ca microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer froedc (l)z j+er3m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suu/dn e8 9s38cuiwqpk /ffer 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 ta;)9yoqd tn96-nhqktcg lfou8l ;2 *uhe 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 radar di 07un ezz po)m14xtn,hsh is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolvinp,z)e nzo0x4n17t mh ug 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 ctyf 2nt8 7zi g)gh.)fn3mgt4 am. What lens (in diopters) will allow thisnza2ty ng fhtig.f87m) t)43g 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 more than 70.0 cm away. Wha ;.xd g smub(ker4mfk0rc.s/ 37nfu9 ct power of lens should be prescribed if the glass is to be worn 1.00 cm in fronkb 7ffg/( k 3nm 9.mxs4c;eusu.c0r drt 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 -5 hz20+wf ffc vpnrj9s8+pi +i0.15 D. What is the person's far point if the glas p+h98 vs5rjzf fn+icfi20+ pwses 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 fars1k3/ m6elscan ightedness where the uncorrected near cs/lne 1mak3 6point 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 farsightedno tn) bd2up 5bin4sc2m 7yr,6f f/;pv person is 100 cm. She places reading glasses closmuypcb,4 52)bfisn;27/nd rvp no t6fe 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 we)umrajbsihz:4)m w ;,6pwoq,p eo89 oars gl)p6soi:9mmru,)e p ;o8 aw,qw 4objhz 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 of 10 cm. A person has a neapnxa* 8z1:nj nx +q6vh n,iy2tr point of 25 cm. What is the magnification of the lens for that person when theih1x 8 nv,nqi *zyxnj:n+a p62tr 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 ppf+grxs4d/hl, e0 e x.erson has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near p dehs4p f/g,lre0.x+xoint?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass hbmxfzx-c) + tkxtj .( o 1ry3eblq6p1nq2*g,pas a focal length of 7.0 cm. What is the magnification if the image is viewed bkcql, qbb3y)p1x1(mz- ogf 6 nxr+pt.2j *ex ty 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 of foca0ftp* 3 om a;ib -v1f4r5gtagol length 5.0 cm as a magnifying glass. What is the maximu0 a*1 g3fp4it ft;g5-a vbormom 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 +3zrnsn5*+ m3rjc afgof focal length 5.0 cm as a magnifying glass. What is mf3cna++r3 sn*zrjg5 the magnification if the 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 len4w 7pu0mipc/m ses of 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 the maximu0wm7 pc4mu/pim 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.v5dx+g dg+ ye8 j/kbaml:i; c60 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magni5dkyg+gc+l /j6bd vx ae8:m ;ification 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 or9mn k2j+-sof j1lsp pi8uy:(l8h u4m f 200 cm and its eyepiece has amip r:o14h28jl9p(u-sun y8+mjklsf focal 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 tel7 8zk+dj yp5;6ff:ks zptv5l eescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the e zd8 f5+vfyj7pk ;e lkp6tsz5:yepiece?

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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 aonu 1f/da;v1the telf; o a1uvn/d1aescope 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 tewc04x ;pv)di+j8kxmsx6m * nclescope is limited to a length of 20 cm, what is the approximate focal l4jcmvk; mn 6)xi 8 0*cxxsdp+wength 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 lengtzs:eq nur g0(5zpkb wz09 9pt,h 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 far apart are thp subpg(k :z5090ne ,zzrtwq9 e 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.bm )x zmj2bao5-v5c/adf;9bt 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. o-a25t)mbbjbv/z95fc xda m;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 f1w(f8 ock w/g ajahb.*dcl 7f)ocal 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 totajw)afc f/8ha.*o7kdg lbc1 (wl 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 le(1w- zx sm 28vxzfmaki rfw:6/ngth of 8.0 mx6w2z :f kamwfiv8/ -1mr s(xzm. What is the focal 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 anud9: 6iskucf h+l:ub /cao+yr zi./c3 angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aper:+ u:69/ zfa/ uisdc+y.cikuhbroc3 lture (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 is designed to resolve objects which arh u9le pqvy 3a3d xy7o9;ih:k,q,qlf8e 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 diamev;3iolx, 7y3 ypqa,lf9d q:e9huhqk 8ter 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 froch1df:3 l8ed 23x iwnmm a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle ofmlh3w18fndexd :3 2ic 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 plab8 6cvl hsruasj 6 j2:xwasq+)*t(q;2ia jqi(ced into Earth orbit by the space shuttle. What angular resolution could this tes:ha2xs aqb )q 8jr+*2uq;(6a(jwtis l6cvijlescope achieve if the wavelength is 500 nm?

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