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习题练习:Physics Unit25: Optical Instruments

 作者: admin 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 san:ttf1 k+g9*ud/mjcamera is determined bkmt 9u t/+g a1ndsjf*:y 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 reax)3e w:devd 5vching the film in 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 may be varied by slidwlnwv 9wf7*k :k3gn n6c.q sp3ing the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obn9 :wksp*wcqvlg6w k. nn3f37 tained, 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 correspon,ijlpz vq3 y4+ds approximatel4l3pvz i,j y+qy 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 like a telescope to m9j :l7y;mrw /6 z bzpxb6(fjehagnify 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 a, 26u2kw3:ubjvtyw 9y,xq iwupv 79hthat of the eye and through which objects appear sma hux w2pt9,:wivjk9 2uw 3aybv7,uy6qller 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 from the humbgn l:f,.7o vaan 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 g5g6f a p7zha27jqi)zby 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 o*l8 m+mh)s ovdbjects 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 o8zuk 7 +f aus;.ptz7rdbjects 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 from front to back, the perspmi cl 1:2p4mron is likely to suffrppcl14mmi:2 er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuam-dy grt5h+xa /j9p f.lly 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 j qr19i9sw w9lgives rise to a vision defect that can be corrected9ww1rj99i qsl 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 from3* g3xn ks/ftu front to back, the person is likely to suff3 f3nu t/xskg*er from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usual m7einjlrvjlx 7- ,i9)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 too shopn qi9 q6gazxa:,98cr rt from front to back, this gives rise to a vision defect that can be correct 9a,cqgn6ia:pzq xr98 ed 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 magnify/rr,9 tv5q,cm;e 4wn dfw2zpping 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 diamjtc+j7 3onqd * 4brz.4e1wmsw eter objective in an astronomical telee4c+7som*wrn t3jj.b1 dzw4 q 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 refracting telescope. Suppose anlelqk 4ki85tqe1s)ha1 ok u- 6 opaque screen is placed in front of the lower half of toh skql8k41 )elkuq16it5a -e he 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 throughou2(rgdoi +*cnq t 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 ig(cn2d o +*qrtelescope 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 t.-x ohrgy63v:fn e0rmagnification $m$. 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 whuk:iq 7jk0,git )w-ebeqbt j-)eg:i 0 ,7iwukkn using 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 frompe/14dv5fv ira9 0puy

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromz*z yk+c mvvz-d/y7 /t

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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 the abil +r5;d *actfsmity 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 pol4mx o0sn2g-d6sd:rea01ax i wer assuming that all other factors remain unc sa4s60m2xg - die :r1lnao0xdhanged? 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 (uxaok fo(a05l .x 7gc0in diopters) will allow this personkagao5x.u f 7l0x o0(c 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 mosfw 2jg5 et.f-re than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of th-f 5we.fst2 gje 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 glaniui/y eu :+ip13f r g0ncqr;.sses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyesnu30r g p/ y.+iiqcefui;1:rn?

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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 farsiampxl i/jt.e *;g d)lt8 oo,9vghtedness where the uncorrected near p8mto)9 jla*,xov .pi;g/l detoint 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 farsight; m7h;p-.o dh 6vs+yyvk+ tqaqed person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably re;mosq +v q6tvhky7; a-pyd+.had 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 held 25 cm from his eyes, if he wearss0 kr *p)dor ;uqlwy7- glasses o* 0kwdpyl ;)ur-oqr7 sf
+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 per :+,zf2omx*o ymzs7mos oc* jqv en5,6son has a near point of 25 cm. What is the magnification of the lens for that person mofjsz2cvx*nz *:,oo6 qem+7o ms5y,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. cn26 z+q.3ky c;wxwi wA person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes arw+c k3 i.nwq yx6zw2;ce 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 lm9 m3 mt:hidr+7nc)g zength of 7.0 cm. What is the magnification if the image is vie)dm7: +mn crmzti g93hwed 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 qq6n 6gzy; v vo-z,4vu5.0 cm as a magnifying glass. What is the maximum possible magnif yv,qg4von6 6vq; z-zuication?

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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 mago1 z(7n zrv9a j+u,5;bwpei zbnifying glass. What is the z,1r z5i;ba +jbvuw7eno 9pz( magnification 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 lensewr.5+v:ny w4ngqy*ep s 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 build a telescope, whatgn py+:v4rqyn5w *ew. 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 le 7)z qiw+wqbad- )ht)vngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use )q7b)vhiat+wd q- z)wany 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 of 200 cm and io3qmf h 3jta/9 ;lwv6ats eyepiece has a focal lengh3m3 twjv q;a o69/aflth 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 astronomihdjk)53:6w7 lon. k/ fru ucsacal telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal l h6kfol3r d:uj5cw.n s7/u)k aength 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 10. If t,8vg2v t:t dr fn1pq:ahe telescope has a converging lens of focal length 50 cm, what is the resulting length of t,v2v8dpq :t: ga1frn 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 to a len)f zl667*h1eq-cfv lr wv.i uggth of 20 cm, what is the approxif rfeg)lw.q6zvv67u * 1cihl-mate 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 h 8 wd5w56goyvobjective 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 58dgo5wy6vhw 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 lengthdj c 32s);rp0o/v /f6a cbdwoc 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood s/c3;d) jpwavrdo0b occsf/6 2ample 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 has an objective with a focal length of 3.0gqo d(h;drrzg2o0.w . 0 mm and an eyepiece of focal length 6.00 cm. If the two le;grhr dozw q.2.o0dg (nses 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 vs5 3/p wm,vjrog1/zv43xte:u(tc g nand an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a gvwo134xz,c5t 3 j/se(vvmp:ntu rg /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 an angular separation of 10-y dp0.rv j4k8m v nwmc-f7qe-+5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that cv d w 7vfnqcj-p+m.0mkr4 8-eyan 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 iswkd w/6j zs8a,icq , 1y:ehf)bu9 xc8l4ybxi1 designed to resolve objects which are 0.010 mm apart. If the focal length of the 1ab)q:yccy u6 bf ,8 /zxw,hk8js9w41xeldii 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 from a diameter of 3.5 mm to 1.5 mm as the w/ois 2but) bq6o k1k1illumination is increased. Byqk1 6isk2b/ b 1ou)tow 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 Hubbl b(bfuh(h*)o3:mjs dx e Space Telescope has been placed into Earth orbit by the3h * :j(s)bxdoh(fm ub space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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