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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 the f0h j q jyggk3)z.x4aej0 ;6utpilm is exposed in a camera is detere)j 0 gguqk.hzj apx04jyt3;6mined 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 camed,uos9if .p*fra 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 dist;ucf l+1bnxavi w0b8:ance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is +0wb ;n 1 8facux:lbviobtained, 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 correspons 7*89cv yoyg0xv j*+ow+up ocds approximately to that of normal vision is referred t jyg97w**yoovc v +s+xc8uo0 po 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 telescopvx:u,or+ g3e me 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 tha,1ibgw ts: *zft of the eye and through which objects appear twi, sf *:bzg1smaller 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 kyq/:a ily;7ne*.i ece5ld)7wd 3pyia camera 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 occur k(i5lofcdl rt 1eyk..p:(1 crs 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 whichp -*3z.f, mqwu p: m(eso)qgsr 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 whicy n9or3yhia461qj 5slh 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 fxop38 m/ / 0y gbzhzd+fljqb9a04u tw-rom front to back, the person is likely to suffer froz/8ua9y4bfdbo00 lzx-+g/ t 3mp qhwjm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usun : /w0g (z7 cy3qn0icol4 l50xnmdskoally 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 vism1 6i*n,6 cpkdd bllh7ion defect that can bedbc,hi6k*l n 61lpdm7 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 ;8bd zk l0tvl)h-t z93ht f2mhto suffelf23zvd9-klt;t h 8thm z)hb 0r from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usualyyd + ws5sp;s/ly 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 toobih;0q v1qik7 short from front to back, this gives rise to a vision defect that can be corrected by q1 i qkibvh07;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?59,u1un ii aehaui(tc85ok8 x

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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 obwqm w 5lc7*v3ejective in an astronomical m*ec3lv7 w5w qtelescope 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. Supp1g-t 5q e.) t*5n6tqpmnkek glose an opaque screen is placed in front of the lower half of the objective lens. What effect will this havqn*)mlttkqg e1.n5g e k6pt5-e?

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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 u0ehst-*v bn;gy4 /f xthroughout the visible spectrum, in which of the following cases would you be able to best nbvute; x 0/f -gys*4hdistinguish between two closely spaced 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 magnificati)-0i pwg5n/imzwwvzbsw0ht f ) )l0 jv6h 2db;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 y0d+8qrf khb y4fa3 3w02jvqyxou expect to be able to see the greatest detail when using a microsc3q a0db2fv80 w yr3+j4fyqkhxope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer f9xbp3:,d e tm/anvwats;.a5n rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufi c uftitva+:s6iq5e5- 58 bgmg0r8vbfer 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 azdd1-:w yilwlp b1.i vhgn m0:o4q: 1f 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 dia ortnvg3 f5yuj /jkp16,zf pd860(inc9ky4 ush is doubled, what happens to its resolving power as13uffjni8 j0t p/4 c(n6 dpuz y9oa,ykg56rkv suming that 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 ./hsdt,;3twbh xnv g2 q)/qade8nk9 o18 cm. What lens (in diopters) will allow this person to see distant objects c9nb/ get tqh;32 skhnxv)/d,w qo a.8dlearly?

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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 c *lw(zn kozb6ft9 g) ho5uw0h3m away. What power of lens sho kw*t h(n3f6wgob9) 0zolz5uhuld be 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 lensep ; kbm7rsdc:4s have power of -0.15 D. What is the person's far point if the glasses are very close 4r p:dsc7bk;m 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 farsightedness where tapt(9, h6sc 7q:gi5aoo o oz.the uncorrected near p ipoo g o .,ah7z5c9q:t(t6saooint 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 a 8 xeo. ((grj3iokd,mfarsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper ( o.j 3kgm,axdi( oer8at 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 ne o)z.dd i:w6e1(xr 0g) na33gopbotgzwspaper held 25 cm from his eyes, if he wears glasses of(3ig.xdb :tgn) 6pz0)o1drwoa z oge3
+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 wt0p 3hve8b2o point of 25 cm. What is the magnification of the lens for that pbeh0 wt3ov2 p8erson 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 cpkan ;bev4 nzw 40-ya6d laf8r6h6.obm. A person has a near point of 25 cm.o6l 4yr eaab.za4d;wn8 k6hv 6bf0p-n What is the magnification of the lens for that person when their 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 focj)f7xy:n w 4eh jhv 2;2/lnooyal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed e e/: nwnj;fy2hj7o)ohvy2x l4ye?

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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 magnifying go4+fy2n*as t: n/drtmlass. What is the ns +yf ma* ttr/n2d:o4maximum 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 awx z dms;jv6gx;7jdb: cr:2;c magnifying glass. What is the magni gcz;dd w2:xv6rbj ; c7jsx;:mfication 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 2.0n y1asuymlr6/ *zws26 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two o 2yu al1/n6*zwr6sm syf 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 hsm rkd;f.o;4zkul 6tu ,4 2 p;9nquawa3au2 gcm. If you were to use any two of these lenses to build a telescope, what is the lens sepaot,l4 uka amr f a3kz9uq;udpuwsn64 g;.22;hration 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 c9a:p j1 n+b epd7)/ldzv5 vgwt2xd,ujek7 xd5m and its eyepiece has a focal lengtg,nevb d 7x9j xzpu1 / v7)+5adl25wpkddje:th 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 astrobf pgl; h,70wqrz93v,5m5 nehu7ejui nomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length o5 i,f3p hb;luu7w jh,n5r0qm79eezgv f 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 telescope04 j w zgkig12k-jht.y with a magnification of 10. If the telescope ha 1kw0ti gjj.yk-2zh4gs a converging 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 todb3 1b8 ee) 4fgv 87dh3ox:m:aaylrdh a length of 20 cm, what is the approximate focalfb h8 aoedm3edx) : 738:abr14yvldhg 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 lenn5*t k:d+7koz;cri b js 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 objectic n:diz;k+7tk5jro*bve. 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 levlklk 4jifw( y73n*,7g g.iv jns of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is (l 3i y4jv knwk7l7vig.f,*j gplaced 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 objective with a focal lenal;ob* nc5 sgz* ld0k-gth of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are sepcl 5 od*0bsln*a ;kz-garated 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 focal nh7nbbovw8q4u83;l j length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificu hv;7qnj8l bo4 w3b8nation 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 separation of pcl3(ft 9dcwfh.y+(l( q ( vph.y7rll10-5 rad. If the wavelength of the light from the system ( cpc(lwh dfqy..7trvl(ly9fh p+ 3l( 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 0.010 m w*b7v--wiuzs -e)hom yq.3:ncol+fq m apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameqoi-.3we- o-+nuz sm)hf qc*v:wlby7 ter 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 char, f hh5;wd;dxn(yz//p )x detnges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?yd; whdf etx/5(p/z ,dn;x r)h

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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 hiun ncl ,f )sp+.;:pwuas been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if tpu n+su:p).cw l,n ;fihe wavelength is 500 nm?

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