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习题练习:Physics Unit25: Optical Instruments

 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 c1x hyqvpr( k-3amera is determine( py rv3qxhk1-d 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 l*.d- gmyggq3a 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 l,.pf uv:ry*.a9r.tb9 qyvpozens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such :rfpyu q,.ovtaz.pb*.v r9y9 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 view that corresponds apprge8ta jeoy::xs5g79 c oximately to that of normeg9y aeg8tsj cx:: 5o7al 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 like5vb4l/;w vyle 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 a wider field of view v 5q m4 6gawlfd+m; 4i9znxj3ybn1e/bthan that of the eye and through which objects appear smaller is referred to ve6q/ 1 49 zjmxwy+ng 5d4bml;3biafnas 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 diffeom 0u 4jlj-mg2rent 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 lighmrl,f- 4 a+arencfqn ab 2l:r;9n(k(ct 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 efe-an .9kq4-n g/ve; muk7o8t kq9mnwye 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 c j c q.s./mzm09abjzff ;o9 ep;mone38an 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 to0lzk 7wmw 8 6rjk+g.nqo long from front to back, the person is likely to suffzkwr+mj q6l8.0w k g7ner 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 corrected with-mt hc 4+qns1t

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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 k9u-tu;+2pk qgk yin7a vision defect that canui-u 9 k pyqk2;t+7kng 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 wma //s(vx::u cvyhw( front to back, the person is likely to suffer fr/ v /(y(wmsuwxah:c :vom

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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 corredakmggfnv 3uvtt8) 2j 3zu33*cted 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 from front to back, this gi n +jm4g*djy2su 8ae+rves rise to a vision defect that can be correumj*4e 2+dga +j8s rnycted 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 magnifying glaj4bp h0y:e 43bf.k 6 mjkz+ualss?

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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 ae(ey8 4sz,b zuj u3(zvery large diameter objective in an astronomicaly38z zauezb,u4 (sje( 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 refractingr-/fnvc k *9fe telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will this kr-9f /cvnf e*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 throvm aw4bg +lc oxa7(nz k**-rq0dwl39 dughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referrbnxwc **d r4g z3dl97ao( +k v-mal0wqed 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 pvj8i(.it9a hhas 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 8fn,:ux dte- tz)g2 casee the greatest detail when using a mztf x2uneat 8g: d-,c)icroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr9 (*h u6nwbluect p97yom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frjdon0 v5 kk-:alsle6dz4vwa 4s q;:+tom

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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 micros5 ffov34+0tac 6+wzitj /mctxcope 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 doubled, what happens to its resolvinadj z 0-p/geokm9a6g 7sy*ui1g power assuming that all ot jge0/s-i*mgo uz91 6 pakyad7her 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 18 cm. What lens (in diopters) w vew d:a:-,rtaill allow this person toa:retdaw,v: - 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 mp +dv h)pfxd;9y47aox2 )ua jgore than 70.0 cm away. What power of lens sho7ghdvx49x+)d pfa )ap;jy u2 ould 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 lenses have power of -0q+xg2j nh/xkkxwoo dq ((l )5).15 D. What is the person's far point if the glasses are very close to()wn)5xd jh/qkqg+x2o( loxk 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 f* xoy2v2d mvp)or farsightedness where the uncorrected nead2 p*yvo )vx2mr point 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 placq gg/h6iow tz4)wv 4m+p7xub 0es reading glasses close to qx 0vtbiogpu/)74 4ww hm+gz6 her eyes, 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 held 25 cm fya4 mvvw-8//e w rvzn6rom his eyes, if he wears glas-vvzy8av rem//n ww 64ses 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 has a neari+.as , ( j/(w9sap7 9zgl/ wsjylkahqffi9 +u point of 25 cmsi/,u9safpflw kz(97hgla (9y++i was q/.jj. 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 pers*7wq 6 pd n+b xw5*lmh*cxxc,eon has a near point of 25 cm. What is the magnifidq6*,* 7*x5h c w xclpexnmb+wcation 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. Wha/1w9mc, trz+ueg s c.dt is the magnification if the image t .+du/1 ,gesr9ccmwzis 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 converging lens of focal length 5.0 cm as a magnifyin2jt57:waxvb rlt,hb)g glass. What is the maximum possible magnib2w)lt5:v ahjb ,xr7 tfication?

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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 magnifying glass. Wrwd vv3l--8tc hat8dlvr -wcv3t- is the 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 lenses -jei0gj,s.(1hoa snm9sz 7vgof 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, what is the maximumoshi 7szgvg ,-j1 as9e.0n(jm 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 lengthk29ggjvfi q:8s 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of i92gvq:8 kf jgthese 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 ivt.9;5hkav gicokk1:ts eyepiece has a focal length ofik;t k9h51a :vkv .cog
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 magn r+am, f;bkg-jv2*dxlr5-v b eification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lengtx +grlaefv-,b;mdr52 vbkj- *h 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 kxu sf1(hyos0uz2 9v;qqy4 4 nof 10. If the telescope has a converging lens of focal length 50 cm, what is the res 24n ;9qyy xus(qsf4ukzohv10 ulting 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 telesn c, u4va,h7qycope is limited to a length of 20 cm, what is the a7uq hc,,4av nypproximate 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 objective lens fgstz9vsq -1(of focal length 1.4 mm and an eyepiece of focal length 20 mm,vq9fg-st(s z1 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 objectivrkmx u/p.: */:4uuk5tjas 41joko0c5 runtale lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plac5ujcko 4uakp : / /*:0tor5mtursn4ja xul .k1ed 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 3.00 mm wm.- s t3xx9gsand an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, ssxwtgm3- x9.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 ando )u5d7vy+atmmpe+ k * (dn3ec an objective with a focal length of 8.0 mm. What is the focal length of t d m3to)vukaye57(*npe + +mdche 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 constellm jl2( 0 6v4gpolwr7)x:xj rmwation Orion has an angular separation of 10-5 rad. If the w j7o:m6gmljxp wwv 2l()0r4xravelength 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 ded(mqjbqjt 611-qh 0r psigned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used isqp 6 b10qqrm -j(1hjtd 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 efo x/e--ifzn6ye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor doo nzf --x6f/iees 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 h7p- oxh(okip5as been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelenp7(oi5 -hokx pgth is 500 nm?

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