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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 ex46 ntcr*vbiy(posed in a camera is determined by t cvb4 y*ni6t(rhe

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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 :zt5k yxd-*hu+a teb1 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 may be varied by sl4 2zmz*gx gkcd1h kp87iding the lens forward or backward wi1p*cz gk4k82hdgmxz 7th 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 that corrkl6p0rnav 6x7tba7 / -lypm;x 98pgqkesponds approximately to that of normalb p7v7kpalg6np-/r6t8y;0m9xk q xal 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 ac;(wps fu./5) kfj otumts like a telescope 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 covtr2h3yx4+c f qers the film with a wider field of view than that of the eye and through which objects appear smaller is referred toc 4y32h+trxq f 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 from fh6aj; qx qt 6g(:(ubnthe 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 o:tcb.:i1ws9mru.jl3g* mu rhq+w te3 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:-ud3asu - ,zl hxm;ab 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/2 :su ochol.8ab-ssc 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, the person is likelgqy:*o ez(eu8 hjb; k/y to suffer from *jkzuge b o/:qy8he;(

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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 correep n*yk;z)ual 7bu/ a9cted 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 frontum,:* vyb nnj3 to back, this gives rise to a vision defect that can be corb:n3uv,ym *j nrected 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 py1/ *x8bxvg (eu3ml2he( vs/p4cvdfserson is likely to s c x4fuhlpsv(1v/e3v/2yb (m*gds x8euffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuallr 8g zwu:o. zfoz+cn9:y 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 ourzj 5m 9m:wmz3 b66xfront to back, this gives rise to a vision defect mr36: bomjz m6uwz5x9that 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 aibh:g+c+ vo s8 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 inzh gn.*1 uqtp1tia+ p b70*fsx an astronomical tetf.xhzp u1piq 7bs1+a**t0 g nlescope 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 8/h kcr98arrbtelescope. Suppose an opaque screen is placed in front of the lower brrkrh/98c a 8half 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 throug; d:i 4v lra)qzj (awg/)g;ijwhout the visible spectrum, in which of the following casesjwrv)qi gaizg/l:wd;; a)j4( 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 magnificatg75 3yt;myj;hec,e jrb9p 0a1kfwt k 1ion $m$. 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 xh 2cvp wd ,rd9e5-g4awould you expect to be able to see the greatest detail whew4h5epg,cd9xv2 da r -n using 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 :s98 gpklqz7ic1* s/ ubup4bx;i0cf- ugqlk4m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer wbovbaz g ( : .-v;,lgz;qqf+zfrom

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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 )yxzz n95xe .kqdi;fxv(vokd::, wi0the 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 happens8u6b mi9s ppvzmol. 15 to its resolving power assuming that all other factors remain unchanged? Its resolvingpiplz9v5 . 18bmuom s6 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 1s pxc:fui da. y5m0y.:8 cm. What lens (in diopters) will allow this person to see distant objects clearxa pfc.m.: iyy0u5s:dly?

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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. W 1dock2ej 7-fp*tcx.n hat power of lens should be prescribed if the glass is to be worn 1.00 cm fd7ptcnj xk-*.2e oc1in 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 0k7hg p:,xn3 jaccg 9*xsm8ypg mq36zhave power of -0.15 D. What is the person's far point if the glas9zxj0 ,mxgk acyqg 37s g3hcpn:p*68 mses 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 fkkb2;g0sb v3 zarsightedness where the uncorrected near2kb03 zs;gkb v point 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 persyjjb ta9(,9p son is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance oj(b9ysp,9 t jaf 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, ik;b1w+ y-ka hor*ks c5.6 pnzdf he wears gla;-b1 rh sp*k5nyczkk.6wo+da sses 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 near poiv7z:gmbxop7 9u0*m t.hwquc60ym/pbnt of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infin00m mbuz *.wxq/o6y: hvbu gmtpp7 79city?

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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 has a near po/ xcckv 7jl qd v80be1hhu7ywn9+dq)*int of 25 cm. What is the magnification of the lens fo *u8+0 c9leqb1nkwqx 7vyhh)d7d vcj/ r 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 lengn /cqsc1+pvgm-on t./th of 7.0 cm. What is the magnification if the imagnt+ ms/gc/.qpv1o nc-e 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 5j54;k,jflj +lap 9t qc-twdd cm as a magnifying glass. What is the mpjaw j k,45lj+tc;tld9 5-fdqaximum 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 length 5.0 cm as a mk2d8ovijy x7p bw1 8jqk,84akagnifying glass. What is the magnificatijx yq1 28k4oa,v8 87ki bpkdjwon 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, and 16.0sy(s(pigco . 6;l8mqy cm. If you were t(q pg8o6li (s;yycs.m o use any two of these lenses 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, and 1utl-l9f1 af e6 dk3*dn6 cm. If you were to use any two of these lenses to build a telescope, what edfta k3f16lul- n9d* 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 eep/er zw;,0gf w33n vvyepiece has a focal legv 3/ 3ne0v;wf,zprw ength 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. If ti6ef;qfekn6 0 he telescope 6fq;ki f6e0nehas a converging 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 telescopmjejrg6 jf -1m99( g dx7zht7d4ir:i ve with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescopjz9m6f :9ieij1t4v j 7mrrd7 -g g(dxhe?

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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 telescowhkm b76 g an.e39 c*a+rljw.spe. If the telescope is limited to a length of 20 cm wakc9+ 7w sa n3l*gjrhmbe..6, 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 1.4 mm and an eyepiece of yqu-o0tkq: 9v :wge:afocal length 20 wo eu9kvq::atygq-0 :mm, adjusted 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 lenoiua *) tg7i4vgth 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 obuot47aivi)* gjective. 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 wit v21 owbl4xdu;h a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses aow2 bd4 xvul;1re 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 len6b/p:(o6 b+spj x- u aytzw1xogth of 8.0 mmostwzp y6+u a-bbj x1p(o:6x/ . 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 an angular separation ofmfg. u0wwrl :l.:n9by 10-5 rad. If thew0bgl ..l rumfw ::y9n 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 designed tn xu,zz450j fjo resolve objects which are 0.010 mm apart. If the focal length z5fz4x0uj n,jof the 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 froh/: )w , j sxn+3ug3m 6,3qzlorxwntxy xx+vo*m a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of r+,xz)xnx 3l3*trx,:v wx63+gmyqnh owsuj /oesolution 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 Telescopeu(au7: jyd q*u has been placed into Earth orbit by the space shuttle. What angular resolution could t*uuq7ad :j( uyhis telescope achieve if the wavelength is 500 nm?

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