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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 film is exposedc*ls;t2p oi,:jpxb 9qj ;h5lw y z4r9g in a camera is determined by the;sgwtc9,lly5bp * jizj 4q9ph:o2x;r

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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 da g-1 ut4 qplgiz3rljdvds6 -4y*.,oin 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 camera the lens-film distance mxqnzia-v zg2,jo :;:rs4tl i+ay be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture isj2oil4 -q s+:i;x:ntavzrz,g 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 corr3y-xwwasag.5:q wi t a2e4f7desponds approxim. a-q4wt7x s2wya:5fg wedai3ately to that of normal vision 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 likeenui- 5;cm eu- xyymn -elx37.ui8yk . a telescope 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 covk(iwj svh)n58 ers the film with a wider field of view than that of the eye and thrnwkjs8v) 5h( iough 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 frorx5;chsjv. x.q2ys:-i yk.mg m 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 refractionpjvv. +h,l,zpt: jvx7 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 a+9 4ifw h8za+(eq6l a9ms b3f.xzixbtt which an eye 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 which an eye can see objects aiq*voi ) c8ravz4y0yk j4(p2clearly 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 c(i*2 twr qq1kperson is likely to suf* cqt1wq(k2rifer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuall,63 ngro+ u2 (z isr7vz4+m+ excgr3ufhkd)yhy 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 giv)dl+y0;-a,ad +rw eq0kfut u qes rise to a vision defect that can be corrected by usi+qr0,dlqwu d;)0- ke+faay utng

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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 lik-a0vrp / : ln*wbw;2i)diuw*hp e: t+j.josyzely to suffer +nz/ .wheirt avj;-uo swlpi)b0p2:yw*dj* : 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 corrected with l2cx j:,k.vii

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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 to q3 4pn7 zfpni8iuys 4.. hqw-ca vision defect that can be correctep.i 47 qw3ycsuzn84.iq- fhnp d 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 magnifyingkuw) dv98seu z2s tk19 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 in an astronomicxvif-w2g7u 0hal telescop i0v7wxhu2f-ge 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. Suppose an opaf(o-u71k mw 3u-6e v wmbl-o z3:odrfcque screen is placed in from kwuwb-f (e zmlvd1o-oco337: -6urfnt of the 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 h)u)b+prbglg6 8d ltx0 as uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced t))+0xrpgl g6 b8dlub 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 magnificatz1*es9 kgrn; wion $m$. 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 whe zz./0jm)pbm hga0,r jr yo3x+n using a .hy0 amr0z3 jpor/,z+)xgj mbmicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frh 6tr8lfy wa fmugws2+j 1dn1((hz4a3om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffri7v x) /aofav8 irrh5+o0o)eer 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 microscopehuj0t9 j-0flcy - z1ke 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 doublel8c9gqes,i (.f k7ngl d, what happens to its resolving power assuming thn,g79gqek (s.lfi lc 8at all 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 point of /g aat:w :yc1myb xd,/nyt8s518 cm. What lens (in diopters) will allow tats x8 :wy:n1/d,yg/y bcam 5this 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 70.0 cm away. What powe.i.: kdm16+ nf hnzicgr of lens should be prescribed if the glass is toi 6+cfn1ng.dzkmih :. 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 t+k6pf 2oozy7lf:9rq j9f ,ds-0.15 D. What is the person's far point if the glasses fo, fjs9 7tql :yrzk2f6o+9 dpare 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 f:*ew wc/vsc h5arsightedness where the uncorrected near point is ec wc5:h/*vsw 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 farsight/c(f rzrn atl3:nsv+p- 8d/x ied person is 100 cm. She places reading glasses close to her eyes, and with them she can csndvf a3rnpiz c/-+/t:(r8xl omfortably 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 hahlp enw53-6*owo+ d held 25 cm from his eyes, if he wears glalho5+ ewh o36nd-ap*w sses 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 focalxx7 4pt0kn ;ph4y (e3v s;gecr length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that pers;k4c yp(3pven47 xgrx e;sh0ton 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 nearzse/ :t ;m-8fkzs sg6 eg;7khc point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their nt;:mh/ ez6csk7 sk-;fgsgz8 eear 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 magnificatiofm 1-hiqh;2g gn if the image is viewed by a relaxed eyhg1 mfqig2h-; e?

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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 cmfns6/foi j ,xuc(: w7w as a magnifying glass. What is the maximumun (oj/ 6ww, if7xc:fs 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 :fq+yacpeb 5r1 cvv-i,4p (lmmagnifying glass. What is the v+5(e p:lam ybcr 1vcif-p,4qmagnification 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 cm, 4.0 cm, 8.0 cm, an: znn jq*r.paig 2t-kz/ou(5pd 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum mag.jt n2/ 5( rpkqu-zp:*oagnz inification 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. 3x jora3.ksf3eg;5y9wxa q9r0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximumx3 oq3rfg s 53ea kywr9xja;9. 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 c:xzcq 05 dxk, n7 dek ,8z.xs9xqdlx6focal length of 200 cm and its eyepiece has a focadqk:q 9cel6xd 0z5d, s7.kxxzcnx8 x,l 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 w wdr mw66e1nek-k1mz7ith a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what in7 r e1ke wdm-16zw6mks 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 witmxvo2 0 +j s hnoc8u6+/ q7ff0yrge5qzh a magnification of 10. If the telescope has a converm72u0 q ycqfvhj oo++z 8r/fe x06ng5sging 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 telescope is limited t4.p:o/gy 6 rs ol3uewbbs +:tlo a length of 20 cm, whasb:6g+or swul:pl e 3bt/4y. ot 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 objecti4 w xv3bap7z(fve lens 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. How far apart ar4xfzawb37pv( e 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 eyepiece zg06vaw;3ac r9h c9 n5 zgxdg9of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Wz 5zgn3g;cg c9 wdrha 9x09av6hat 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 wq -(r4oogn)8z/ rrxsw ith a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separwnrz- 8(4oox)r /gs qrated 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 fop1tuc 1o .at/egv+(j*i zt+cycal length of 8.0 mm. What is the fpze yoac 1 jc+u1+v(gi*.t/ ttocal 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 Orion hayes0d g9t8sk 12xzkj 03:un drs an angular separation of 10-5 rad. 2yr :n 0szg1kddx0k9u3se 8jtIf the wavelength of the light from the system is 500 nm, what 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 is designed to resolve objects which are 0.x cxs2hg)z27 d010 mm apart. If the focal length of the objective ix7dc)2g zxhs2 s 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's eye changes from a diameter of 3.5 mm to 1.5 mm as82qzi0aah2 9suc lz*s the illumination is increased. By what factor does the minimum angle of reu c 8hz0ss i9l2*z2qaasolution 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 han:) 5d:ff laca8+c znas been placed into Earth orbit by the space shuttle. What angular resolution could tafdn nz8fc)a c+al:5 :his telescope achieve if the wavelength is 500 nm?

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