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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 fil c5ejpo:zzc p)*(dmyhi. 9l2 im is exposed in a camera is determined by tho 5(i z)eip .c*zcl92y: pjdmhe

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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 f(mu*s af5fi(t .n6pitilm 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 dm1k vv 4.q3k0xd evj*vn qg+9+azuu2 camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a cameuk*az4g2 +jk0m +.uevq1 9vv3d dnqxv ra, 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 corresponds approxi-)3msr+d z: achbk( samately to that of normal vb(kmsr )zdhs+c a 3a:-ision 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 televm93 jn+zhkv sk3f,/ gscope 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 c w g 2,zb0iom53dg r5rv.japk1overs the film with a wider field of view than that of the eye and throughgopvak1 553,j 2zr.0i mwrbgd which 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 a camera different from the human eye?j q hhyn3hs3 7zhuh7omnae17ej.85 u3

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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 a3nep mi :q-*vthe 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 u v: ic+6my n5p;tv8kleye 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 w d nn0ki5 sw3izh6w32a jnt0j5hich 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 p(ke4- h;cz7q;ps glg back, the person is likely to suffeg ;ph-74e;gps ckl (zqr 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 c3./eh xqh7 jvqi 5ge5worrected 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 fromb y ,(ih,+udvcrd:y u7rgmm+- front to back, this gives rise to a vision defect that canc m7:+i u +(hbrv,d,uygydm-r 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 likely dr y(rrn56,himsl: +w;zrr(i to suffer f(r;rhlr5im, rs:id +zr 6w n(yrom

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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 corrected2f ge6plc*yo 5,5h7nus4as ck 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 eyeballt37bch tmr5n-q g7ok5 is too short from front to back, this gives rise to a vision defect that can be cor7orbk 3t5n- 7thmg5qcrected 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 q f2:1c4t knt)+abvnm w 1ev3h9al 5kzglass?

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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 obibw;i;.yoz7+ceb1 u ljective in an astronomical ibl;o+ec .uwiz17 y; btelescope 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 refractzbfpju p*414h0 hc jz;ing telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. hczpp4j bj04 hz1u;f* 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 throughout ,h mx 925zp8ot y h ,uyw:(:wvka ob.0jqeda.ithe visible spectrum, in which of the fo d:jzwo.ip y:b9a8qmu,v x y h5thae0ko(w2.,llowing 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 magnificatioog+j g( 2(blbsn $m$. 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 gj919n hfyk(q)qjl k-e reatest detail when using a micr )jhkjfne9(9qq -1kl yoscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff bu2w6g p7f.aver from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe)em ln p5a.:yhr 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.s uy8r ,iu(gy 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 resolvingocc-0 r w ddrk+o9gh4) power assuming that all othoh)d0 +d cko crw9r-4ger factors 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 lens0ne.i8 b1a2dn tny(n w)j:oma (in diopters) will al1.8 namj20nwbd) nei:o (ayntlow this 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.(4k qxd dz. 3uj19tlbg0 cm away. What power of lens should be prescribed if thx z kt (4jd1l.dg3u9bqe 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 lup82sd zjb g3 ,g2oqf(enses have power of -0.15 D. What is the perg2ozu8dqjf ,sg(3p b2son's far point if 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 farsightedne+fpqui5o.t , qppoa42ss where the uncorrected near point is 75 c.fpa 45 2oo+iqp ,ptuqm?

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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 glasses ca4;evp,ev2 j xl ;mmi*lose t,4m*; m;ivlvej 2exa po 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 h5j4icocsy- b6-elvq 7is eyes, if he wears gcysbjqec5v -oi l46 -7lasses 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. gc87y-hq0bqd1 pga9 oA person has a near point of 25 cm. 1ydqa cg p079-g8bqo h What is the magnification 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 has a near pev*kub)ar z04; kvhdm;pjnh66l5s v3 oint of 25 cm. What is the magnificati6jvd6*);0hban 4ke v psukh z5;r3mlvon 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 aldo:l y7k 4 z8i:mkmm/ focal length of 7.0 cm. What is the magnification if the image is viewed bykkml4 8m:z y d:li7/mo 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 magnifyin)-uv6r3e4xoye v -gnbg glass. What is the maxe v4ny-g6 evo)3x-bur imum 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 magnifying glass. ; t/lcu-rkrj9 1ypw evoe//-hWhat is the magnification if thew-/elo/; / pe1y -th9rj rkcvu 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.yhtc31s3kxndy 26 g1z kz7*h z0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescopz 2h1szy17yk3 36zht*kcx gn de, 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 lengtnv:;o g ny4:55ut khvihs 2.0 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 :y :oi4 vkng5vutn5;hthe 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 xzu2eam- +ah x/7ikvolu1 7: b-omg,,: xqvceand its eyepiece has a focalv:+zku/cv,-b2qeoi7 xu xhem 7o a xgm1-:,al 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 au:ksl7 )nz de6 magnification of 10. If the telescope has a converging:l nk)6es z7ud 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 astronomica8* 3jym4ui)s,jmjmawah 6xv 5 l telescope with a magnification of 10. If the h6,amva3w4)jijxs 8* 5muj mytelescope 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 tosr 3xkn r. 6u:+hstzl**i;h felescope is limited to a length of 20 cm, what is the approximate fr:si* .;orlhth knzsu+f*3 x6ocal 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 lenuwuq-*nic vs-p4l.7j 3 4 dxnps of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjuste-dxw. nsnu7-qcpv4 lj4 *iup 3d 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 objectv w2g,2g1ioyk0avfk :q ,qo(give lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for : 2oo0g1 f ykqqgwagv2i,( ,vkminimum 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 objectivp: hp+ kh f4y2qvhp6y0e with a focal length of 3.00 mm and an eyepiece of focal leyvh4+p2p 06 yqph h:kfngth 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 5g8qd;9 e89j2feu jpk/ upeplhas a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the f8k52epeup/qfup 99gj e8l;jd ocal 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 constellh -7gk2rnf8cbation 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 (diamet 2fc 7r-bhg8nker) 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 are 0.010 mm ap4jvoz8x 80a(/e,7hg xvnmdz r7bj j/ mart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the /hr jze0b4(8m8x vgn, zj do7vja x/m7diameter of the objective?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person'ddkwdkqyq r- r m4v +/bb71f;.s eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is incfkb7 dq;rqkr+b1 4 .dyvd -mw/reased. By what factor does the minimum angle of resolution change?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telescf8755 jicg53s(4sxs f7mt)wlugem vaope has been placed into Earth orbit by vms5i 5)ugx csjtm4se5 7 7fw3fa 8g(lthe space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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