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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  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 cameret 0 f2hx txdk4(:h0e/dq3yvia is determined b ethde23( 0iq4hvdxkf 0tyx:/ y 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 determ9ijlijb1c8 y:ined 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/1e9+r*.knwun0 o+olewhc cjg ca6l5 may be varied by sliding the lens forward or backward with respect to the camera hoe5chaleco+jk.9w n/6 *o un+gr0l1wcusing. 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 pgkgpdy lq;b)+b2 p uvvbwx94vb(;30field of view that corresponds approximately to that of normal vision is vw ;bkb y0(d3b9pgg;up qbp4 )+vx2vl 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 mag 3 (q4v.ki sylgtx;y6zuk84wknify 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 theu3acbzg;sb34y.k nvmq .u -1if1sy n/ eye and through which objects appear smaller is referred to ns3 1m1 bg3suf znc.y.-ivayu/qkb4; 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 fg-nlmddl2xi/c ( :ao 1rom 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 n ,:oq,ujmuc;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 eyr *dbwsw au w,99s2y7ue 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 whichv gq2( ujf*z5s 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 isc jftn5hz*/s 6 too long from front to back, the person is likely to suffer f5/jsn*c z6fth rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually :9y6e i* wsuhpbe 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 tolt87aohmleur0oph, j;gr gu95126,,bmzy ndo long from front to back, this gives rise to a vision defect that can be 9g7u, zlrmjnadm5l h1eo ,2u 8t o0;6bhpgyr,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 backk/ l hc4;6y zklc1va.a, the person is likely to suffer kz6ay .cc lk1/h4avl;from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can uof , wkn:kplx(. g ykf1*l)w-osually 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, ti1 a1m(eapt b3his gives rise to a vision defect that can be co3 pme(ab1 at1irrected 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 ld u7 r*g l,7eoer78z .9bkeq t47ark/ ojnzv3magnifying 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 di+o(*p ois:fum1+ywktlhik -/ ameter objective in an astronomical telescope is /lhki+u t1yiwf-(ms:opk+ o*

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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 ex2mi;,d 3 b8fp0eo6ulpj3unopaque screen is plfj2,;0dmex6lp un p3io bu3e8 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 sz i9g .db7*2:yqflmav ensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between twoa y*mv .29ibgfz :ql7d 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 h 6ac9zm7bqmlfnf0w 48as 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 sw:ga5( d)xz.qa woh 6when zxg. ):h5(o dq6sawwausing 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 liiol8vpskl6o49 (s1snr9ssx19jm1 m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffern jw owv;5)nut7x/6ce* hpd2zg h61bj 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 refbs9: jx, czr*qers 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 itnd f)/axhj24g s resolving power assuming that all other f/)n j4hga xfd2actors 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 (in diopters) willz7wk8oshb2:* l xcum0 allow this perslzohkx:*02c7s8 wm ubon 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. What power o,g fn g;qk9bswbnicc9h:m.. 5f lens should be prescri 9ib9ksmn5c fb.qn.hc,ggw;: bed 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 wear(;ljc* s6lajzs glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to t*( sl6cjaljz; he 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 uncox68ax+r xqi+ix fo/d5rrected near point r adxqioxf6ix/+ +8x5is 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 ls(xd.ih7efo:eo dmt ,d0u (9glasses close to her eyes, and with them she can comfortu .ex0omh 7,e:dd (s9olidf(tably 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 newspaper7-dv.z1gkj2ovzw 8/sok mx1 z held 25 cm from his eyes, if he wears glassoz.m2kwz s-1 jo/xg81v7k d zves 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:wbv+yq4daj e( 9 a*o+qz2qo f has a near point of 25 cm. What is the magn qq*ef ja2da9+oyv4w:z+(qbo ification 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. A person hasoe v06ywz 8ff( a near point of 25 cm. What is the magnification of the lens for that person when their (80wf f6e vzyoeyes 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. Whata:r1:,df8e,txch3x n0 m .d dzds*vpk is the magnification if the ima xdfhk3ne,8,tc:psmd*0:r 1dzd va x.ge 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 convergings3*gb xz/d,9 scrvp;w; yyq4r lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificatrrqs 9*p4c;dvs yx,gw/z;y 3bion?

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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 m*xa sfe;kw,35 ku csk3agnifying glass. What is the magnk; ka*s 3fc3,u5wxkseification 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 focmt+kcj/t/0 j mm4 zs+sal 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 t+ z0ts 4mjm/+kmcj/ tshe 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.wy ufvj2l2xs z b-;+o*0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses tz-fblou2vy;*w2 x s+jo 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 eyepie.ks yrl-64jxa c,ll7n ce has a focal length,-cj4 kly.7alsln6rx 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 astronomi,i+hrnm i)p nu:q,4apcal telescope with a magnification of 10. If the telescope has a conver+hrq pan ,4mn)ipu,: iging 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 magnificat1/avzwrj28yh : owz l c(2lf(xion of 10. If the telescope has a converging lens of focal le y2z:z/2v lwj 8lhf wc(rx(ao1ngth 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 tebf+zx -t+f1kulescope is limited to a length of f+ kf btx+1-zu20 cm, what is the 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. n;r*h37zgrh;zod9x g4 mm and an eyepiece of focal length 20 mm, adjustxrggzz*d97;;o rh3 nhed for minimum eyestrain. 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. :k01m9zs3immrfh m(k4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sam3m :(k mhmm0fsirk9 z1ple 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 with a focal length of 3.00 4ynxehh6 /xi. /yfo s9mm and an eyepiece of focali o6h ys4n/ yxx/.9fhe length 6.00 cm. If the 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 focal length on la4p x0 9watu/c*rppr (h*t7f 8.0 mm. Wlr npw*9t0apc4*h7(/ptau rxhat 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 an angulbx sszr9s5c87ar separation of 10-5 rad. Ifs cxr98b7zss5 the wavelength of the 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 is desixn (qr 60oa evjzxax6,*dy0.mgned 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 xm.x0ny 66e*vq,x ao(a0r dzj 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 mm t ,(iirmlm qpr-vw,j +ovi:fn3 ;3on u2o 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?,w rm;2i,3runmn :( qvoli3fvij +o-p

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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 b (*+o7af 0a3 /cn3 oeatucwazween placed into Earth orbit by the space shuttle. What angular+7one *w ac(0aafo c/zwu3ta3 resolution could this telescope achieve if the wavelength is 500 nm?

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