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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 t-82 efd tgk*n* moz8iitt 1,nthe film is exposed in a camera is det t-gf1z iokm ,*ntd28t*tn8eiermined 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 fftqd3 l*fm/8b ilm 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 may be varied by sli*x psi1vqrmia w ,klv6d6708ngx(t.mding the lens forward or backw 7g0x8 dpm6,q*ivsrnm1kwt6a .(ixv lard 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 tham/11tjchof /ft corresponds approximately to that of normal vision is referred tf/1 jf1om /htco 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 referl9 3o))uhbx6gz-9mg ,tlngi zred 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 tlm)f :n1q i/r+06m.rrqgq wivhat of the eye and through whic.mfr)gqil6m qn/ 0r r+qv:i1 wh 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 alwqfwn; 9(oqg)v 0 bx0 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 omk x,; 1hx*sorgvls w).u8io+pki5i 3 f light by the 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 objects 6pe u0 gmi:sm1clearly 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 oxvo* ygrpwd o b6jr)2thy4,.3bjects 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, the person is likely to smz;p.aci 1 y.xuffer froz.x.icypam1; m

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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 wiwca6 v+ eo5iw8th

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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 fronpeu*pp-)k . . yxivxm6adf06v-+ktstt to back, this gives rise to a vision defect that can be corrected by epyk s-a0dxtv. x-tk*ui ).6p +mfpv6using

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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, ti sv cfrc/v7l/7+8oob he person is likely to suffer frfrsb lvc8v oo7/c7+i/om

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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 correctedc 0nq868bj su ksp3 ukinb68r; 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 rise to a vis-(atu va053xvv3ftve ion defect thau(t e03v-vfv v3a5ax tt 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 j39-ztxsu m+x isc; fc2fr* 1na 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 o 4wxtp,l v,k.icd)p9 dbjective in an astronomical telescoppk, dl i) dtw9x4v,cp.e 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 aqg jo8j;3ycf .lt l;dmpoyi6r22m; )vn opaque screen is placed in fro qj.2il8pmj;r2y c; y g f6dv3)ootml;nt 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 uni-vo e lmj4s+k2form sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two 2-j v 4es+oklmclosely 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 magnif2i0wdyfc- pcyv w8/+xication $m$. 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 expe 3b( c 6j,:jjwgd3dfgg37pkrvct to be able to see the greatest detail when using a micros 33wdfp,vjjkg g6bgjrd c:37 (cope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fp , -avhpj2+furom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff cqr ;k fe*wt6v+0orf-er 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 microsc2d3w:bbbziw+g +v9 jcohze3 )ope 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 dw13r z j,n(axt*y* fjdoubled, what happens to its resolving power assuming that all other factor,jz**djx1yn (wfrat 3 s remain 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. What lens (in3m-k/notctm 3 g n5gasmo9) 0t diopters) will allow this person to see dist3 mn m )n5/30o9mtgkcgosat -tant 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 obj(,4r cfk8zx;m yruy; yects more than 70.0 cm away. What power of lens shouyr4yf,r 8m(;x;uc yzkld 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 power of -0.15 D. What 23 ndunj 2 -tl55o: gl9tnphrfis the person's far point ifuon5d nh5pt l f22lt -rjn3:9g the 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 n0ws 6l7 pdji3-rn4* ohbpw-gn5is :lthe uncorrected near point- i4w ri: no 5dhjpng7ss0wln6*pl3-b 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 reading glassez5 h/8d0cjg ass close to her 8d za/50sgchjeyes, 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 2kxz t17pzkzqgdn4,,- 5 cm from his eyes, if he wears glak,4gz7 kd qzn1,x -tpzsses 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 ha;cxc y1h 4;r3 t3yrlkqs a near point of 25 cm. What is the magnification of the lens for that person when their eyes are3ccr ;yq4kx1ltr3h; y 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(b)i,a+:v hmv qi/wq s person has a near point of 25 cm. Whqw+ivim v/q bs(),:h aat 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 cmv iso -28+g+s msydnf,. What is the magnification if the mis+-os+ f d,2nsg8v yimage 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 of focal length 5.0 cm as a mazqiv: -j*lf9a gnifying glass. What is the maximum possible magnificatij*9 fa qvzl-:ion?

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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.vntz9id, o ,q+0 cm as a magnifying glass. What i zqt vi9nd,o,+s 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, ihvnz2z0s /q.b gw922 jvxbd4 and 16.0 cm. If you were to use any two of these lenses to build a telescope, w2 v2z xviqh/gbwnz.4j s0bd29hat 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.otkd2g2w.r41)w aov h0 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 t4d)oghwrvkot12 a 2 .whe 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+a4x )6dj:mp tj,g0jz qak1qt has a focal length of 200 cm and its eyepiece has a f :)qt mk1j tx j064pgqajzd,a+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 astronomical telescope with a magnification of 10. +l/npd4hi mb8If the telescope has a 8 dbin/ lh+p4mconverging lens of focal length 50 cm, what is the 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. 2/vhx(hsvh ( pIf the telescope has a converging lens of focal length 50 cm, what is the resulting length of the xh(h( /vs2pvhtelescope?

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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 telesc,/rrrklt ; i;qnv22j cope. If the telescope is limited to a length of 20 cm, what is the approximate focal l 2ji;l;,/rk v nt2rqcrength 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 objectiv:m ytz 5b(fguk7nvs zt r032v2e 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 far apart are the lez3 tynbtf ugszv75v :k2(2r 0mnses?

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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 1nt,(6r3zzqh6 y vwd7e7fxjv4 .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. What is the overall hw 7zv4d (r6 3n vxtzeyjq76,fmagnification?

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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 3.00 mmrp 7wm-92m)vci iu0cem k.rp 4 and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificatiwv).immecu2r9 p0-4c km pir 7on?

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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 focaw 8od58 ilbgibc+/4 lcd7n;czl length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificc7 8/wl8 5bbi izc+n4dg;dlo cation 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 separation oftj5j -,/ e *isox)am clfa*)u rifkmh/6c,s7 a 10-5 rad. If the wavelength of the light from the smma aft scc75)/io he ,r* -xu/j kli*f,6sj)aystem 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 is designed to resolve objb;savd6s . y54or(vn pww7f m( ehe9*zects 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 is the diameth*yva(sfvw e.r7;p56m no be(9 zdsw4er 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 3.6pao td)f,;l (x1gdcb5 mm to 1.5 mm as the illumination is incrdp1f o )l;ctdxba g(,6eased. 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 Space Tel; a/h z a/,4vj+opjqumescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the waaujpj4a,m/vo +qh /;zvelength is 500 nm?

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