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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 shutter is open and the film is exposed in a camer.we 3i/z6a tfja is deaw3/6 ej .itfztermined 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 camer,s q26zr1cdx va 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-f ab;5bknul :92 jlc1ppilm distance may be varied by sliding the lens forward or backward with respect to the camera housing. If; bab591l n2ckjlp:up, 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 approa w/h)ckymxn.n 5osd 6a.w p+4ximately to that of normal vision is referrexmp6d+5 an.swcn4) hakwo/y .d 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 p ,elhxh:sab e8xe5,8 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 2:udopd)e)/h:z mm,yd e6ama of the eye and through which objects appm d2ezm/ )6pa ,ehuyd ::aod)mear 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 fbut-vt 9-0sqm 2wh9 jwrom 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 refracjd r4ka q 2*db1+m(ofwjz *uj+tion of 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 objects cleardt5 ,:sjht gr+k+iw c3ly 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 objects clearly i v6veyc/- d/bzs

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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 persorh,/e.1e js-bn d8+ 3lggvpue n is likely to suffer frop-u .nb rj,lede h1v3se+8g /gm

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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 correcysv92( sh w2oik5 e;oy1is y3dted 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, t/v0gj;onn q i*his gives rise to a vision defect that can njo;niv */0qg 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 tozsqwk- / 8zr0ff2 y5tf suffer-sf8k z/0 r2tqyff5zw from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can us aromgk m58)dw,m8tz7u41ci dually 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 front to bacuf/*8bx l 0z,dw ab3xgk, this gives rise to a vision defect that c * /lb8,fxzbxg auwd30an 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 magnifying gv (dpyy1d/5 r14 a 98kjwhnjjwlass?

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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 fff: vppyg kb28an; r d2/20ftusing a very large diameter objective in an astronomical telescope isg2220:n8 p v d/ff fkfarpybt;

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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,.6r1ksmgs,ch;mx2k0djtb d by a refracting telescope. Suppose an opaque screen is placed in front of the lower half ot,h srs m601 x;k.2cg,mdd kbjf 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 sensitivitb2 ;i)j:sbtof9 2qi kvy 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 objective lens of the telescope usedksib2o:t ;9jqfbv )i 2.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescoq.e tjlv0f--.ah gniit2wh 81 pe has a magnification $m$. 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 detail wwu5tj, 98qu .ket qco9hen using a microscope?.ect9jq, u uq89w 5otk

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suf3q*q4sj r l.uqx va78nfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffe69pyqv orku h64o)du.r 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 ojud)1 f(pq8hcz sp: :.eo5rrz f a microscope 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 doubled, what happens jq1. w oxwe.xoh9bu p.4wda3guj n9*-to its resolving power assuming that all other factors remain uedbw1ah. .oj-w9wnp9g 4jxux 3* uo.qnchanged? 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. Wyfp o * tzo25ac7t9k-rhat lens (in diopters) will allow this person to see distant k2frz9t- * cpo7yto5a 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 70.0 cm away. What power of lem5:im:efkgty i )x:f 5ns should begme:)ifkifx 5:5my: t prescribed if 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 of -0.15 D. Whajptl splmo 09 w5+j*s(:g hhj3t is the person's far point if the glasses hsj j*+h mpgj:os0t35ll9 (pware 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 farsightednes7eyq(ys; mlhn )h+j d+s where the uncorrected near pointyyd;j 7es++h( )n hqml 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 glass1qshkj2( lg*6og*is ses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power*qihsk (s1 oggjs*l26 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 fr;z zxq1u,ge; h/-mgi(i jffu :om his eyes, if he wears glass f: meu;/;hqf -zg u,jg1iz(ixes 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.jjg.ck;(ur f2 w9znx)w2z mu 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes arjuxzgjc f 2;.k)rm( z9wu2w n.e 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 1g x5b43dq+jf6mzr gc cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when theib3qcdmz5 xr6g+ g j1f4r 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 lenacvb+0ind7x jt f)i * r)pc1r4gth of 7.0 cm. What is the magnification if the image is vixp7cc4+ t) b ia*i)r01dvnj rfewed 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 as a mbql nfr.56ww 6;9 i+nyj4hdbtagnifying glass. What is the maximum possible magnification; nwj4 h.dtbil9wb r+y66n5qf?

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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 a9pu hxh au e,uo((6jh7s a magnifying glass. What is the magnification 7pxj uhoha9(eu,(u 6 hif 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 -a9 erp 2cv:p4wz .qrffocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lefev.qp-r:24ap z9 r wcnses 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/frh 6wgxgiamp2ux) /r :s9+ o 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification telescop:r92mug+h/ g6 /wrp)sxixoa f e?

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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 t p,wkyu 7g+esq;(*qrj 7 qhq0yelescope has a focal length of 200 cm and its eyepiece has a foc sq*e7+y, (0qhqyqw 7gr;pujkal 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 u86gx new6zys6 +m/zzjr4 x6ee0b+h v 10. If the telescope has a converging lensgn 6+jwr6eh 6zvzzy4ex+s /mx80ue b6 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 magnification of 1w wmrf24wb da3m6;*fo 0. If the telescope has a converging lens of focal length 50;am m43f2rw*w od wb6f 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 telescope is limited hhyrw b-lhvcz*n(9 4 j a+/l9zysda-6to a length of 20 cm, what is the approximate focal length of the objectarw/z --hj9*a blch ydn94v(s6z+hlyive?

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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.kr zo.ec-o z0sgop 9a9ul- (x/4 mm and an eyepiece of foca0u . zzo9-o/l9rgepa oskc -x(l length 20 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 length 1.4 mm and an eyv rr wpjd e.dl d0z:.d7yy231yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objecti .3re dp01z 2:lwd.v7ryyjdd yve. 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 uf1v z s*tlv :mx87rx1has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 c11us 7 :lv8 tvxx*rmfzm. 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 ai9zbu6 e.vrba +rt9 -zy(z9la n objective with a focal length of 8.0 mm. What is the9l zb rueyb 9+iar96t.zzav-( 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 czki*mw1/laar y v7 7ws b*mp89onstellation 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 (diameter) telesco r ai 7plb19*kmwz*78 v/ysamwpe 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 ockn5002f ker .yej va5 qe9eu9bjects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengae 2e5k cyev9un.e0kjr 5f9q0th 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 from a diameter of c7u0al ( s8zmrgj42qg0ttzp53.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution ct5 pm 02azu lgz7rj qc480tgs(hange?

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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 Earnsn;tu od;n34 q*x+zf jz2w d -nb*2erth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?z* ;zo3 -2bsq;xw4+jntnernd2*nu df

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