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习题练习：Physics Unit25: Optical Instruments
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 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 thn1qz)l1*czxpy 8 a2 uue film is exposed in a camera is detlau *n)q cuz1 821pyxzermined 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 camera is determ8rk*- gbr8evllfm qn -: xh)8fined 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 dista 6ahkewz2rv h6rn7x/x/(;jmsnce may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a ra7/n6xvem(jx sw z/ 2 k6hrh;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 w hbs lr0/w 5bgho1xxs6 233s3*rkx7arok2yuthe film with a field of view that corresponds approximately to that of nr 3531gh yk0 x s2uko73b*r/ sxa6owwsh2rblxormal 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 like a telescope to magnify images is referred to as aq)/: xtwso p2q

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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 6,i1 ac)vgh lqwith a wider field of view than that of the eye and through which objects appear 1iqlahg) 6,cvsmaller 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 ,j msh d:hv+bcz0:f 3xfrom 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 qpz. yich.*0mlight 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 clearly ilm2. u wrsyjw9gl i/0)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 eye can se *;a 6+iyknmefp.7bjne 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 x 0-h*qx b mhek6zrtohc821y /from front to back, the person is likely to suffer from o trcx-8kqzm*1/ eh0yx 6hbh2

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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 covv9yze9*yyld(m/zlx1kbrw6 ,bqp3 / rrected 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 fromdbq /xbq jgu1*m/:ucv-* c mz8 front to back, this gives rise to a vision dm:g8u bjb 1cv/xdqu*q -z/m *cefect that 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 short from front to back, the person is likely wqff,ani l5 5yxp e4bb8p77 *8ie x.cbto suffer y e q.4bxppiife5 8nc8fl x7ab,7b 5*wfrom

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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 wg4 q mhpi(u b(fl4*g *t3e.jzuith

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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 u(q5ft. /pm(tg de7asto a vision defect that can be corre7ge.5mq (tpd fs(t/ aucted 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 ma rpqd 53fdz8g/mt -+(nbamo)qgnifying 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 astronorz0;t9iz 161 j;0by8v cm7rnkz ifuuf mical9y0t1 fizmu un1c8r vf7;j6bkz;riz0 telescope 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. Suho.me :w*+ vm)vvl*i l8qa8xlppose an opaque screen is placed in front of thv +8lvo:x i*)ahmlve *.q 8mwle 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 has uniform sensitivity throughout themebm c350 l, chs s3*uh)x)yxy visible spectrum, in which y s )uxm*3hyshcmex,)lc5b30of 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 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 magnificatio *zo. vuwyqx3yeo;q ib+6ug9( n $m$. 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 exph)ez-vl )y ( 83wwlpdaect to be able to see the greatest detail when using lapv3-) hzy (dw8)elw 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 frby1e 8vz 0rwsk) y3zw.v/sl d48x:mpgom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferkmzyee8tw+ +* 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 refers y4m-anmd gfx5lm*b:gnz) 1 ,1m y8c pxto 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 da6)anp9)7srvjx c+ )pn xb4ufish is doubled, what happens to its resolving power assuming that all other factonrapu x fnasx6v7 bcj9 4)))p+rs 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 18 cm. What lens (in dio*ln47ookcdver(qy + 9pters) will allow this person to see distant objects vne*7 yokq(4lc o9dr+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-9 c me agh4 4hmysa,4z,ay4bnr of lens should be-9smmy, eaa4byzh,h4 4ang 4c 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 /+ xybck-q5fw D. What is the personqb +fx/kyw-5 c's far point if the glasses are 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 farsightedness where tnq 75g 1c( pn0tayqh0: aimcn:4 ;lg1t+shs tahe uncorrected near point is yhm 50 q4 :c1tqt1 n0(cngilahsg7apa:tn ;s+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 readingun ci1 5gfik6qy 2w,dub +za86zr9gc6 glasses close to her eyes,w5gc+i9 q ur 6zfucay6 d18zbk2 gn6,i 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 hel 86mixu) zqzk3d 25 cm from his eyes, if he wears glku)xim 8 3qzz6asses 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 sbj aihr5oao)ko 5b l*+ u30z1cm. A person has a near point of 25 cm. What is the magh5o)a*b l aoj0s3zr +i5ko1bunification 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 fx65gy34 zn dwo:jkr;f h-pi-nocal length of 10 cm. A person has a near point of 25 cj:iz-6 o knfhy;4 -xrndgw p53m. 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 hasp390 d3bud pun a focal length of 7.0 cm. What is the magnification if tb3039npd pduu he 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 convergingtinr0 ikhv (g8o69 f6p lens of focal length 5.0 cm as a magnifying glass. Whati tf90(v6p i6on8hrgk is the 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 5.0 cm as a magnify qrn p*le:dz61bj8za.ing glass. What is the magnification if the pea8zbd j.6:n*1r l zeqprson'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 lense: y cezvri)(n4ym m:u2s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to 2 nmyec4z ryu:m ()iv: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 lengqsj;n /90f pmuths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you90j;nqufm /sp were 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 a focal length or q fd8);yh(ckf 200 cm and its eyepiece has a focal yhc(d8k qf;r )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 magnificatqj9a o)j yk -mebero9j061o u6ion of 10. If the telescope has a converging lens of f -91 )buj06oajyo9ojqre ke6 mocal 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 yx9p,*n+zb;o*xqm qkdlg c0p*4zsl: astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengthcppkzos*4q;x,*d+z y:llmxq9 b 0g*n 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 tc-3op ;vb7oxbelescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objective?3bbc;p7 x-v oo

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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 objqp7:9v m. ze 76ddcghuz nmbdj 3k+40cective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A .v4:pd9q nug3mb0 dmjd +cczkzhe6 77blood 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 eyepieceki(5pv./rh,ae m 0hed of focal length 20 mm, adev(,.i0/ramp5 hhk edjusted for minimum eyestrain. A blood sample is placed 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 h)/vlmtnsri(6 lw;( tfas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the twoi;ws )lnmft(l/tv(6 r 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 p6i3zz 3 q.pxhan objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a totap 3.ihz x3zpq6l 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 anldhpy9 ;ueuoyj5 *6w4 angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) te * 9uoh45jw6lpey ydu;lescope 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 t+sa r10cdoiby .d0d5 bo resolve objects which are 0.010 mm apart. If the focal length b doby0r1+a0d .c5is dof the objective 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's eye changes frpx-aae3r sjg.uvii e5 g8 k/20om a diameter of 3.5 mm to 1.5 mm as the illumination is incri -a0urvis2px /.g kega 35je8eased. 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 Telescope has been placed into Earth orbit by lhj267 t t/jjhthe space shuth jht2 /tjj76ltle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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