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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 the film is exposed in a camerhb 9-t/y9gvwoge k/2-tr3mr da is determinedvt mg r tegry b/2wd9/-o3hk9- 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 07q9,ebq +lrn2oycik 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 len ep(f tz2ri-kpuyv:5 .s-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with su(2urfk:. -epty5vzi pch 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 viexv is4se9 rn(n 20p6/k.rzv zmw that corresponds approximately to that of normalinn(zx4k vrrp2mz 0/e s9v6.s 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 likepd3cz ejt 3v3: 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 covers the film with 6(uh)7hgfo vg a wider field of view than that of the eye and through which objects appear smaller is6h hovug7f( g) 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 dbm(tb3 ywhn u0 33n2bqifferent 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 occurffqu09p2/7vttyx is7yl0raq * 0r )z ls 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 clej 2oz1zlhwpa.mt. cq0c5)n6sv7 r ,smarly 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 ai+5c9dpkv mw5es b8- lk;y f+ct which 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 tqtt 1ay+trt8sr9brq;um/ vd78q:i 9loo long from front to back, the person is likely to suftsiq;/:qv1rt ad7m988rq rl+ytt 9 ubfer from

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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 corrak/8*:yss4 vedkngc /ected 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 m+z1(cwmmyxn s ,(uj2 vision defect that can + y (,nmjxc1msz(u wm2be 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 tezd- ucwo w)3)lmwn v;xy-+0 roo short from front to back, the person is likely to sv+3 ; wuwcwzxdne-l- mo)r)0yuffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuann 7 b;tz uq5e((8fiuwy wb)0mlly 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 l*5nv74b pvwgycv9ryn1n)m *from front to back, this gives rise to a vision defect that can be corrected l9 bm*5c74rn*npnvy gv )v1yw 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 mag6-; yxgs/rz i3 c*p4uv -i :3e;rnzodmwysp+enifying 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 objec +rzxs4on.yd1tive in an astronomical tele.ros1 4+dxynz scope 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 x en(b-j;qsiz( 7scv(refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What efz(ss n(7jqvx-ib ;e(c fect 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 has0 3tlu;.,3*-dd(wqwc st i 5gvippegp uniform sensitivity throughout the visible spectrum, in which of the following cases would you be ableg*- pc3pi;3uwltiqdp d 0 (g,t vw.se5 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 telescopnzv3bad x0hj7le2h6 j+s 5)wrz xq0-s e 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 wm )za7k3na3vi jct p7(hen using a microsc7vzm pk7cn( a3a) i3tjope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from: w; qh*wcnsr0

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer b ;k9omf4st 1gp-2cxpfrom

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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 to theb 6d*rp8qql nrj /3)zt 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 to its resolving pfpi:p-c( 9qom 2(f,d-ho pwxs ower assuming that all other factors remain unchanged? Its resolv cffx -,m2iqpo(d-s9 :( whopping 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 z: tw h;)tn8ixof 18 cm. What lens (in diopters) will allow this perx)tnt :w h;i8zson 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 9xsd2l 9m lo:8 1rxvcmcm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of tv2 d8: 199 xcllommsrxhe 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 glam i.;5 z/l4cy9dlst hdsses whose lenses have power of -0.15 D. What is the person's far9.sm ld/ 5ihdlyc;4zt 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 forb+ zy-ngv82g x farsightedness where the uncorrected near poixyn2g+g- z8bvnt 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 placekceo s 6r(3x.ts reading glasses close to her eyes, and with them she can comfortably re 6(kts3x ecor.ad 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 ca2aa2db2zem 7 *uhs ex60mj 1yan read a newspaper held 25 cm from his eyes, if he wears glaym2eje uz6habm0s a 2xa 12d7*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 focal length of 10 cm. A person ha*p-/i3yz, z yrx.dhf0fvy .bl s a near point of 25 cm. .yr*/bdlzzf y, vfh.-xy3 i0p What is the magnification 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 ha 1xnqghuek) t shu*n84 ky3v..s a near point of 25 cm. What is the )nvh.qkhtx s*uk y4 13g.n e8umagnification 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 focal length of 7.0 cm. What c.:ust7 kq+xg7t)rxc is the magnification if the image is viewed by .tr)xukg7:tc cqx 7+sa 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 of207 nij 2 j jm,rhgdvxig+k4 zsf78q.s focal length 5.0 cm as a magnifying glass. What is the maximum poss2 8j mgxnd40gj+2.f vi7h,qksi rjzs 7ible 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 magnifyinit b 6t9r:kz5og*n pa;g glass. What is the magnification if the person's eyenp*a6 t 9oitbr:5k;z g 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 lengthsx ,hh /fy (8j9gqvj1bb 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achi9/8xq,ygvjhh j bf(b1eve?

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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 cml2gj rg c9g+:k, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation gk2gg+ c9:rjlfor 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 leisi h;r(k/f2+ d +rknqngth of 200 cm and its eyepiece has a focal lengi;q2+f+isr rn k(/dkhth 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 f-dteo pz:p-g8 n sb6(an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what i fbp6(t-dz opgn-8se: s 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 zrv1mdm.9xi9z*6ea7 e f3gs jwith a magnification of 10. If the tes jde3 m6.x erf91vaim z97gz*lescope has 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 5 zb9;0 ) sxz/azw kklc0btrf:the telescope is limited to a length of 20 cm, what is the af xaz w900) :zb;kc sk/ltrbz5pproximate 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 objectorqsl6z4wdb)z 3e0.q m nry /x4 gef67ive lens of focal length 1.4 mm and an eyepiece of focal length bf)m47 /resdnl0rwo46.qe qg6xz zy3 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 ogq3t5 uoqnpo3:k (iq;bjective 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 fro:q ig(53p tn oqkouq;3m 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 leng o1 4h(ut+tk5juegif(th of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total jit41ohtg (ueu(fk+5 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 barre6y/qzyl42w u(tl2l vil and an objective with a focal length of 8.(2tu z46l 2ylqwyi /vl0 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 Orion has a y ( 2l:tjap0fpdj.:ugn angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope .yl2dgp( pu t j0ja::fthat 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 fpm*e(nm c+m ;designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavc+nm*;e(pfmm elength 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 eyern. guh3 )gq*rhtbv;+ gd9b(i changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum ()3b rrh9.ngvg hg*+ q ;buitdangle 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 orbitp+s r+zr3iac/pb3.n d by the space shuttlr3bs+ 3d pa.n/ip+ rzce. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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