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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://autoconfig.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://autoconfig.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 exp*ttdla(nxc7r q,4i (y osed in a camera is de(it a,y4t(d7qx n*rlctermined 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 film in a camera is determined by m+-cxt0x. zn36pcsa3nzq j ( spvh.m*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 sliding /,avea b c77 /yf4zxyh/ gi:hpthe lens fihabh:a/g pz v7 ,c/eyf7/yx4 orward or backward 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 that corresponds appr1jz6 /t vrbah-.dpp: zoximately to that of normal vision is ref vb6t.:z/h-a jdr 1pzperred 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 telesc: -phjxlo(wi873 .if x)tzhsp)iqln 8ope 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 covers the film with a wider fie 86w6l) q s3hc+nrwiikld of view than that of the eye and through which objk86inh s 6 qr)w3+wcilects 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 .- ) sc7cz/+ rr2wj hq5syzipqthe 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. bgma 9u,yn3m 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 objkx/.f8qpq nq ,u/0 kcgects 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 whj9fihpw0av rb8bth )+38i;tr ich 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 lp e f323b5g3y)m wlciuikely to suepgy52m3 fcl b3iw) 3uffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can u14lx08uphcbnct : hp:sually be 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 too long from front to back, this gives rise to a v-t ;- skvijiv1ision defei-vv sk -;i1jtct that 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 isyw ,d *3cbim*y vp9q+28w a7gu o0lnrl too short from front to back, the person is likely to sufferw ybwc*rnim9q20v+ouy*l 3l p 8,d g7a from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can u4o8 ykbjh+7th:o ck f hkj+q).sually 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 frontdn/rh 3 y4i8rg to back, this gives rise to a vision defect that can be c38g /nr dhi4ryorrected 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 glab+0i1.nazrb-j wjc 1d ss?

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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 verl)sra3x0g o *a11g da uj/mno8y large diameter objective in an astronomical telescope i130/*1mul ngjgsdao) 8aa roxs

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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. Supp3d tokr 1 gco75:ttol(ose an opaque screen is placed in front of t7gcdokttlt r( 3o o:15he 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 sensitivity throughout the visible spectruy : alec4wara/2l-w1u 6mc-bbm, in which 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 tele6rea blb-y1:cw-a/ 2wl4 ucm ascope 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 magnificrux,w8p asr/; ation $m$. 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 ablj5 h dk2tk.gkk:+tngx t7yl82e to see the greatest detail when u8 .ty:2+kkgtdxl5 nk7hjk2tg sing 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 fromh r-;olz 7(9fcpc( funox rsf(;ee- l:

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frogup f8 /c(mn fe;qwr3+m

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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 microsco; 9w so2;.0se o4wend/ nhcldape 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 double zk rvu f;r3(hl35ii*ed, what happens to its resolving power assuming that z 3 fr*e(i;h 3ikrl5vuall other 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 poixdjdxo67j: 7d4n:3gkp ex8p4t 2 boof nt of 18 cm. What lens (in diopters) will allow this person tod4pk bdnxd:tx84gep7 7362jjo f xo:o 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 m z fnkn 2l(q20s2pjh;g5zpv(w ore than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 2 zph((20kglsf;n qpj5vwz2n1.00 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 i) y1 j3xcn.zbwears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are ve y)1x.nzi3cbjry 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 farsightedn +uie;7 pfety4 paxya,15bl2jto owy/4eg)q-ess where the uncorrected near pwa 47lt/ y,ieef;p y yaqbgou-oj+xe21)4p5 toint 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 glasse ;f5+wu6e d0 pxo7xkejs close to her eyes, andjxwf eeu6+o ;5k0p x7d 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 his 0pyp/o it*67h jz di +6,;p m,wokrx56bxrbayeyes, if he wears g,pj 6ioa;y6dbbxtpw65o 0i/,rph x*kyz7m +rlasses 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 point of s33)n5y snfky4k bn.z25 cm. What is the magnification of the lens for that person when the5 z4sfs .y 3nn)ky3nbkir 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. 5 te tkj8hiq8kw 1bfonq+ -)i1yob *(cA person has a near point of 25 cm. What is the magnification of the lens for that person when their ekih) j(1 wo18e*-8 i+bn bytfo5qcqtk yes 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. What is the magni-ve bf26 xxxu04+jojqfication if the im 4 o2vjexub-f6xx j+0qage 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 lex nkku kwk8*+4j s*:ssngth 5.0 cm as a magnifying glass. What is the ma*s4 n: ss kkkxkjuw+*8ximum 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 len*d f ;a*x wggo. dmvkc2r+dws+l5 1jy,s of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is relg+aolc 5* dv sy;w2fw.*k,dxrgj d+1maxed?

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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 c 6w;aitpbjy)0h0o mq1m, 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 magnification you cou );6byoq a1t0 iph0mwjld 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 ih) isvgxakc-4u +1 4/ah; uhklengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If/a)uhghux4;ih +-k1 sc4iakv you were to use any two of these lenses to 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 telescobrw ; aysh4z )mp(3xe2pe has a focal length of 200 cm and its eyepiece has a 4; he3w)zas pmry2b(xfocal 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. If p hzi4.5gx:cnjtgl+ +7pm5n 8i nj/ubthe telescope has a converging lens of focal length 50 cm, what is the fjp.xbu57 i imj hnlc+:g+gn58 t4z/npocal 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 astronomyvu(o;(w3ur-y d vhlsc 2 d28vical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tel;-v w sly(d2v3v8c(yh 2udruoescope?

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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 .s7gqj ygc:1hdd zy6- six+m+the telescope is limited to a length of+d7:cxys1gd hj +y z.ms-6 gqi 20 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 1.4 mqi8 hk. qxfs00leve,;m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placehq kx 0vq0;s.if8ele, d 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 1.4 mmk,l9fv4po ph* and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sam,f*hv opl9k4 pple 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 omt (inqr z6,8objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cmt ( 8oimzq6,rn. 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 foq)y ;y dtf73oxcal length of 8.0 mm. What is the focal length of the ey; 3y)dxyo fqt7epiece 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 */0athrg-tuu+j l 2 ()urmmc 4aya. xqangular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, whumq(a u2+ -urtycmx./*jhlrat) ga 40at 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. zpuf+as 0b,l is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm +0uf,z a.b lpsand 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; ayf(/o u(abx l28hli changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what facto/( (byu;ll8xoih a f2ar does the minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth orbit x8,t* +ikbtmfby the space shuttle. What angular resolution could this tex+k fm ,*i8tbtlescope achieve if the wavelength is 500 nm?

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