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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://autodiscover.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://autodiscover.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 shw2(au 2poo8h jutter is open and the film is exposed in a camera is determined by t2 ophoauw8(j2he

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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 deteb .lxmx*;cl+q; p7rcurmined 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 di+s aw jan6nysb*tb2 ):stance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a: j)b2 *6ba+t wnnsays 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 ofj+i 7:xrrtlz xk vu-39 view that corresponds approximately to that of normal vixr ij+zu t:37xk-9l vrsion 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 telescope to magnify images is refma5 ;b z8+5k0ytlqzm xerred 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 w;0z5 q6rpm voiith a wider field of view than that of the eye and through voi;6m0 pq5zr 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 thepm/ls4 c2(lrpbmw-qm 4 aq20j 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 by the eye occurs w6h2;neao/xs 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 clearly i99lymt47f6zp vyf)wn s

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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 eye3ack(tc;frgc pt w:z+k2):i z 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 l0rez.pqq e. n5p i0,;bsfy m9likely to suffef09;ebe.,pq n5sm0 y.pi lqzrr 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 correct n8p.tguy*e 02wk* jqced 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 to/m u so w2qdk2nyty ((t+4*maxo long from front to back, this gives rise to a vision defect that can be corrected by uy( ( +qt td22xy/nmuask*m4wosing

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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 fro;ju.vsd4* ouvm front to back, the person is likely to sufv4j*us;v du.o fer from

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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 correcua: -:en qdhlklo:py )om)+ .l) e+bfmted 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 owe dd)cxn wp ) j17+zrjd;(n3to a vision defectonddwec ) + d1;jp7)(jnx3wrz that 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 a magnif efptg492 :jxeying 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 ;*vq;gq35t ho 1 ifsfcin an astronomical telefhst5* f1c; qiqvg;o3 scope 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.win.)uw.x :jqrcemavfew l+;:qe8 , : Suppose an opaque screen is placed in front of the lower half of the objective lens. What effectwew ,v.e:wnc.q l ri: 8em+)axj:uq ;f 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 senx.zth 6 a b8jm jzbatpn*d(2hx)jv5+7sitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objec)x2bp8h. a*vj(nd+ a6zm5jtj tb7 xzhtive 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 magnific/uh nkj)t. t;2q/lwdz 42gg tsation $m$. 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 detailn4771op/kv3x o6,zjt o7grlwegt2 ke when using a microscop17,xk2woz4k7nvo3/ tgol gt76j ree pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromxt40:pafmnl4vj * -iw

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromrfj5c)w)oatu:3qs 72 xph )ju

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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 t90:4rmds 5 zeuu2dcwehe 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 tos6c ia(m ;ke6t its resolving power assuming that all other factors remain unchanged? Its resolvi6 6;smtea ic(kng 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) willvrw *uw,(o04b urbsa 1 ll1op6 allow this person to see distant o0 rloub 6p*a 1vl4r1b wuow,(sbjects 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 powes :qb7h oy58ojreqrt l1,s/f 7r of lens should be prescribed if the glass is to be worn 1.00 cm in fj:8 e1b7qqrt hs lo5/,osf7ry ront 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 l 3sj,e:wdg*fs enses have power of -0.15 D. What is the person's far point if the glasses are very c egd,fs*jsw3:lose 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 farseu8k7m4 z3ku gightedness where the uncorrected near poink3uz8ku me7 4gt 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 persocvowy:64rk gcpz8 t2ipsa(7 .n is 100 cm. She places reading glasses close 6:pyrcgcv7w z8 k(pa.4is2toto 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 his eyes, if he wetc,iuo-z ahed7q.a 0,ars glasseseac iatdo .,zu0-hq7, 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 ofumm+ke1 04 :etfy t)fx 10 cm. A person has a near point of 25 cm. What is the magnificatiot:mefymtx 4 1)kfe+u0n 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 ofb wz 2.4(b nxs;oiu2g;5pxzx y 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are foc;wz xs2p.g 5x2 ixu4n(yboz ;bused 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. pjcg1 )v, r+ib5wz9 x,o3qwbi What is the magnification if the image is viewed by a p cj b3+ 1b5ox,qzi9ww),r ivgrelaxed 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 a5)ibz dm)dl1s magnifying glass. What is the )l51)dsmbz idmaximum 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 le1h.7uhdf7ala ) ky t0zns of focal length 5.0 cm as a magnifying glass. What is the ltu70a1hy z.)dfhk7 amagnification 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 cmoqn0onn5a 1p3 , 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of1oqo 5nn0 pn3a 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 16 cmk5bvhv;a 7iq / p.fs86foc7og. If you were to use a.vvabs5 ;7fg/ci o78kfp 6q ohny 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 telescope has a focal length of 200 cm and its eyepiece ha qzfu3p26um.wqkh1i (s a focal lengw qu(k.2 6 ufihpqm1z3th 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 a9 qiev(u 0pe9x magnification of 10. If t qi09 epuxev(9he telescope has 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 texg)l lm1x o8(tlescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is thegxxolm 1(t8l) 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 th2.gsv+hnii ln.h e;q, e telescope is limited to a length of 20 cm, what is the approximate focal levnie hi.n ,+hlsg2q.;ngth 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 le)nwz e) 02cnlv s7f3juok)ep (ngth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bln)eo3e7z)) vls0w2f(kupcnj ood 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 lnv08x x1jq(kov8y,1 buu )uh rens 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. What iv y,uq 18ju1ruxx)vbk8no0h( s 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 object.xbao v. 4k/zz(mzr) jive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the. )zm.4 zrzjo( ab/xvk 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 haucxn 6, uir.i;k n)l2ns a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal lengtx.u2ncu ) k iri;n,nl6h 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 sehmfco+2fq *avg; ie;j 0h u3;gparation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperje;iu+gqgm2; h*fa0 foch ;3 vture (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 objects which are k k8f(yehbf e(86s/fv0.010 mm apart. If the focal length of the objeeyk f/f 8hs((8fv6bek ctive 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'sp5 rap,h:*wwnte .h r* co0z7m eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of rea:* w,e05*thwrnromz pp.7ch solution 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 Telescope has been placed into Earth orbit b5)f, a rqn/;tbd a7fbsy the space shuttle. What angular resolution could this telescope achieve if th)bt r,qfa;5s/ dfn7abe wavelength is 500 nm?

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