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习题练习:Physics Unit25: Optical Instruments

 作者: admin 发布日期: 2023-05-01 10:00   总分: 51分  得分: _____________

答题人: 游客未登录  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 a camera is dbn-e-ouus(5dan ml u5gx p+/*3o)koq etermined by thes m/)k uoex3(n-g5 a pnl-uuob5d* +oq

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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 reac j8w ;k/8s4qqxwekr.qfn .mv/ hing the film in 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 camera the lens-film distance m fq0- ,:,mm9oe eqfgoway be varied by sliding the lens forward or backwar,f: -wef,o0q qmmo9g ed 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 co g9zpp )ml1qu6vers the film with a field of view that corresponds approximatlp m6p9 qz)u1gely to that 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 telescopeq*r)u-xbxeiy 8k.n) x 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 coversah:v9gd4xya y 1*my 4g /zl/b sti2t+o the film with a wider field of view than that of the eye and through which objects appear sma:byg t +9savxg/4tyi/odh 2lmay14 z*ller 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 wa ,. n(qupj .+xxy .gcv+kwh+pzys is a camera 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 occurs-ulm acc0bv tg4*/kvn (x9 5bc 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 si/v)(m9s/ x bg3u)x1ba0xj xwrpc ,pclearly 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 atv2.b-wbo:ngs3c 2 (z e5 rvpt 9k)cqcm which an 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 eyeball is too long from front to back,k/y zsm6o+v f- the person is likely to suf/k6fzm- s +oyvfer 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 correctedxezra.2q a s+m( jz+zc 7l4dfdgb/ 5;e 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 front to back, this gi)+/u 1ney dpcqves rise to a vision defect thatu y/qe pc)1dn+ 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 is l amkz+7k h9atb.:h p5likely to suffer fro+.aklzm:h7t bak 9p5hm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually be;d ke u/j8/dce 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 rrl/ou: gtt 1-dise to a vision defect that can be corrected by lo /1gut -t:rdusing

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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 gmjo4s,x b /f5a 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 a o pep. r0xs*w0g8nl1pn astronomical tele00ppe* sl wn.gpxo8r1scope 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 refracgz *pb2el)x..diiq --gmta 8 eting telescope. Suppose an opaque screen is pq-e)m8-dtzgbix* ..i2l eg p alaced 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 u 93*syok1w fol,eq8wvniform sensitivity throughout the visible spectrum, in whichwfoyoe 93 *lkwvs1q8 , of the following cases 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 has a wapyfc. 8 3w*.+lr ayw*uv+*i vq7koi 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 .a9r ek)77fgv9ebv pbwould you expect to be able to see the greatest detail when usip vbbrke.e9g)9 77vaf ng a 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 fro tn)u. hbez.l2m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffew +d7 i.q monl..zz/itr 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 ofj39e)8 rpys p(8gjnsn a microscope 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 radar dish is doubled, what happens to its reseud0f3awt3m v/0w5ql olving power assuming that all other factors w0avm w0eu/d 533ft qlremain 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 of 18 cm. )al *96x zi5sxssoi9qWhat lens (in diopters) will allow this person to see distant objecsa95io)9lsz *sxixq6 ts 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. uo6 6 ut+kkj-n:q *c 6pac8ayf What power of lens should be prescribed if the glass is to be worn 1.00 cm iajp au:tyk8o6 6u* qkc-c+ nf6n 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)8n m 3/kwlke w,8ps75b:k apmokyw6n whose lenses have power of -0.15 D. What is the person's far point if thenk)o:b mk p nkp8kwsm8 3yle7/ waw,65 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 neededwumr+/ 31ietw to correct for farsightedness where the uncorrected near point is 75 cm?1m u wiwert/3+

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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 n0uu dy 97z+n(lyu;wivf2 ru *reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dis uniylz72+0;nr(wu9*fdvu y utance 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 r 3oe;d8k;sgtp*aoe ,ars gs op, ek3t8o;gd* ra;elasses 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 (.9r bixtu5gb10 cm. A person has a near point of 25 cm. What is the magnificat(5gt i9bxr .buion 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 focc 43pr7qifwif y1a,*(vrdr l:al length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their * y(dfria ,r3ifcw 4 lv:q1r7peyes 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 fomq j.b b8q ocg(1yt7o2cvak +6cal length of 7.0 cm. What is the magnification if the image is.7aoj(omq 2 ytc c+6vbb8kqg1 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 of -.gbzuw ;jf9xfocal length 5.0 cm as a magnifying glass. What is the maximum possiblexf;9-u.jb wz g 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.u ,r pyfbp)s,5+wapy4 What p ,)ypa,f4s5ur y+wp bis 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 lenses of focal lenk l.;ztr9+,yor orgk*gths 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 maximum magnificati+y,r *rrk;k 9 g.zoolton 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, 4.0ojb6if(gdgm;( r*3xxe(8l co ja1s-v 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 maximrje(;8jf o-(dv go slaxb c (g31i*m6xum 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 foca gc4a+xpcjl9 m)lzx9i,+3az ll length of 200 cm and its eyepiece has a focal leng+agl4cl p+jcix9a ,x93zl z)m th 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 i7rb moq+8mh,4:g3e 1io yrefih z5om or:,s5 magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengthmobyoefir gis4ozimo5 r5 rhm:37e 81q: ,+,h 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 1)xe2cl;+och tisk(k l2gzr0 6t6syd magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescope?6i)gz0syl+(h xt1ld sorc2; ekct2 k6

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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. Ify dx;bwbhene* y,9 20jcvax3y6aec 2.-rjg 0x the telescope is limited to a length of 20 cm, what is tx20,d 9 w x*y-6xrh3 bjyajec;ba0eceyg n2.vhe 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 eyepie6hmss, t1u u :;mbmwmvy :a6q/ce of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objecstmv: m m;:uw6ayhum/q 1 sb6,tive. 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 : e,n 6ay6e6k)vhf b1-cy7q yo yqghg1an eyepiece of focal length 20 mm, adjusted foy h),y16oy1 y7kh-f qgc qv6ge:enba6r 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 k0g,+ko6o*ykb 9 ai bk x5wsb3objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses sk53 bgayoi, kk0w+k9o 6bb*xare 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 objectr /16 w32jtggifg,kagive with a focal length of 8.0 mm. What is the focal length of the eyejra 1wg,3k62 gi/fgtg piece 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 th 0hv)h g9ypi3sac 4 9ke9wrqy(e constellation 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 reso isc9vwr043 9)yhea9k yg( hqplve 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 reso. xm;,59u3t.ywcu q9fnl ua r -nuvua6lve objects which are 0.010 mm apart. If the focal length of ,.w uln u96 5qt9rvy;3una-cu.am ufxthe objective is 4.0 cm and the wavelength 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 diameter of 3.5 ;bi0p:e 0mlbtmm to 1.5 mm as the illumination is increased. By what; 0b0ibp me:lt 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 Space Telescope )m3 p/2*pivt led /aiihas been placed into Earth orbit by the space shuttle. What angular resolution could thiepi2/)mvdiit *pl a 3/s telescope achieve if the wavelength is 500 nm?

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