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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 th-sctz(+ y q*f4i*b gn tse(t4re film is exposed in a camera is determined sri(n*t-c 4fty(ts4 ze*+bgqby 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 a8+8w r3r hsp ibpmf2b 7s-bn4z 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 sliding lrrn* 5p.+kl4 pn4vrz(v qr.m bz: df9the lens forward or 5(b4.rnrl*l9f+rzqnz vk r vdmp 4:.pbackward 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 fielx*mzb:o5suq13m qhcq j/tj 24d of view that corresponds approximately to that of normal visj ox/4 3j: qt*5c2bmm1hsquqzion 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 telescolt2 5 m:h4tg*okgfgt2pe 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 field of view than that of v 0x(x7(ybbaa the eye and through which objects appeaa(avb xb0y7x( r 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 camer/u p(ry/fd. pma different from 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 by the eye occurs at6bca(*wu cd2h ojt;i( 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 o (jwn+i k0a-k*nxiu :jbjects 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 an eye can see ob2 l(8iydhh.b htu+; zsjects 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, u*h, lu1mvq7t w5-s ttthe person is likely to suffer fr7th5swmq *,u-1vutt lom

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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 corre y 6-k dx)50pdwwbn:yected 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 / n6uj:gh6)iz pq jjh49m)dxtto a vision defect thap6z:m)4/tjhjd nq9iu)j gxh 6t 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 is too shorbn7yt3mv77 ;k*hddqs:: ; icozh1 ut2 bnumy3 t from front to back, the person is likely to suffyuth;n zbcth:1mvi;b7k*2y3 d dm:os3un 77q er 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 cor rnrr 92*tzg)brected 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, thisx*xuz1b 3(sj ri s3ys3 gives rise to a vision defect that can be correcte zsb3xs1 r(x*s3u3i yjd 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 glass?d(4dzjn fa43 e

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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 diameter0fbt zdci*83o1is 4hcha3g7 e objective in an astronomical tel04scoez*3 ib7gi cfh 8tdh1a3escope 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. Supposdtjblr 7l(77u e an opaque screen is placed in front of the lower half of the objtu(bdj l77l7 rective 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 use3awfauy 33t3ud has uniform sensitivity 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 objective3wy ua fu33a3t 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 magnificativ10c u0dx eoy/on $m$. 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 y;v td6 m+d2nffhtb (8eou expect to be able to see the greatest detail whent d 8m(n +e26tf;hfdbv 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,pvj)v u4kfkq 1 d01b hwe)a1bm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff7g- 1jlv/a lyxj.v1g qer 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 refbw,u0-h5 hcpx ers 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, whajca d4jr)z ,zsw.x9 :yt happens to its resolving power assuming that all otherz )s.j:,c yzw9jx4 ard 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 dyd. bloa ei0h8w0a)kx 73)mhb;k uw/73irh rfar point of 18 cm. What lens (in diopters) will allow this person to see disdy bmrr b .e0ah;h3k xw7 )kd8hw7il)o0/3aui tant 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 l,3v8ks/i-ac pj 6gabore than 70.0 cm away. What power of lens should be prescribed if j cgpbka-as 3/vi l86,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 wears glasses whose lenses have power *t/1dx *q pq:sltpcq7 of -0.15 D. What is the person's far point if the glasses are very clq7x*p*tq /ctlsdp: q1 ose 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 qj. wte b h5al*3+xwm2correct for farsightedness where the uncorrected near poin lwxhm* 3.q5btea2jw+ t 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 pla9z:/im mbt 34je h)rtqkp30y bc v*wl,xh.z f0ces reading glasses close to her eyes, and withey3t mb m,rhq *9ptlz0/:jwf h.bvc kzx3 )i40 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 re6tw*as:n p l.u:y11 -i jfawdjad a newspaper held 25 cm from his eyes, if he wears gliaw:j*af y-l1:sdnuj.1 p wt6asses 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 am1r(p5db +uyw3 ;ze)pk6ln m 25 cm. What is the magnifi 5umza()n ym 16pkr+l ;be3pdwcation 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 point of * g0cz mlopz.su(5v, i25 cm. What is the magnification of the lens for that person when their eyes are fu*g.i,5cs0( lompv zzocused 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:uick0kg-qlmm9 c4 1 *oyxg+ j cm. What is the magnification if the-j1iq : ug+c4myomkl x9 g*kc0 image 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 cm afwwmsh8/ 2ar g8o 2-.8xhjwsts a magnifying glass. What is thew.rs8a/s otjf 2 wgh8mw8- x2h maximum 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.h6 yejfnpjolxu9ws1au,9 0(8 0 cm as a magnifying glass. What is the magnification if the pero9f1wsx 9,ujh(nju6yle p a80 son'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 5)a z;qwezw1f.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two q1;aw zfz)we5 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.m*ti)p fm o;v00 cm, 8.0 cm, and 16 cm. If you wmmp* )0 t;viofere 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 telescope has yf3 *jy)*kqffp7v /aqa focal length of 200 cm and its eyepiece has a focaq) *qyf/3 7k*ypf afjvl 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 telesw6ub.ue ;kimgpsp/mk4 d6d0+i sn e 79cope with a magnification of 10. If the telescope has a convm 0sw u+im en k9g66dpiep7kdu/.s 4;berging 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 magnifin1+vo-6+ oaro jo6t3;q prpmlcation of 10. If the telescope has a converging lens of focal length 50 cm, what ijq-poo+p6+a t 6rvrn13 ol;oms 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 telescope is limited ymb+z25m)nnp8hzbj 2jmg )p( to a length of 20 cm, what is the approximate nb m2g)mj+52 mpb h8)jzpny z(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 eyepxi qr, etg;j:6iece of focal length 20 mm, ad iex6:;,grqj tjusted 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 1.4 mm and an eyepih1r)6oxh5eil ece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm )i l5r6 heohx1from 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 fh k(l cna30b,: 3cyfrhocal length of 3.00 mm and an eyepiece ak3,clh rn(y3hc :b0fof focal 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-cmsx;0currsz 5 / barrel and an objective with a focal length ofs rc5 ;0zsrx/u 8.0 mm. 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 Orwv buozfsctp13 ,;q*3 ion 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 (dp u3wb3;zfst qo,1* vciameter) 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 objectywhmg/o3))-r6 e3 sr3ugvy6i jhot -us 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 nm, what is t3h -etr- hmio 6v33ygy)jugwu )r/os6 he 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 f sntq4krt2uh. 3zk)v-rom a diameter of 3.5 mm to 1.5 mm as the illumination is increzu k snh2t qrkv4.-t3)ased. By what factor does the minimum angle of resolution 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 Teles,ct 9w02f tdyfcope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if ,ttc y0f29wdf the wavelength is 500 nm?

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