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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 ckdqyz y( gc)jb*:v5/shutter is open and the film is exposed in a camera is determined k)cy:y( vb5/q dzjcg*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 determined by t(qy,q nl4b xl gtdi/rkhe56 p7;n7*lthe

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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 camerl86 f2fjot y, +dvud2dx1 qfq;a the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. Ifu+fx6 , jlddf2oqtq8 v y;12df, with such 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 thd;kphx/7mgmt- + g-s + hces(jat corresponds approxigpx/kmest(gh-7dsm+j;h + -c mately 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 actiy/2idj,5os8 lop 9 jys like 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 than th9osh; s( ;qfyoat of the eye and through wh oq9 f;yo(h;ssich objects appear smaller 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 thaxo(8 fyj5+0 rp co0uve 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 ey ysl + st1a3sfo5o)cj3ru)f w6e 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 wjaw98o,jae7e5h y,-cfq2nkh hich 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(p,o y1 nrm6pi6w3py 47inmlr 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 tot4 so i22rwks;6i .atanqa*:a o long from front to back, the person is likely to suffer frsi ata. s2twq2rk ao 6:4n*i;aom

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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 corrdl/f u. k/pgh0ct q-(eected 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 ao ih mu4g54+vijwr9z) vision defect that can beo+)zm4hw rg iji9 5uv4 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, thi;:;agp ktq/xe person is likely to suffer fr;k x g;tq:/aipom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usupfzo):o1cb 2g7s *rorally 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 from front to back, this q9y zn2yvp5 b(gives rise to a vision defect that can be corrected ynqp b 295z(yvby 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?a km4t5am/z 0t*pd.exo+5u a .6dggnf

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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 astronomic0psdw78x7wdqbdy 4hg - s-:8i vrg(eo ald078: p sg sgvwieo8b-rx4dd(yq7-wh 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 refrc4b de4.wd m,w1 r+ukl3yi 0wsacting telescope. Suppose an opaque screen is placed in front of the lower half of the objecti cuwy4w4bskr3.,emiwd+01l dve 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 throughou;9dbfk q 4qctz) fs,ad7v-4sht the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaceds,9q q;4 ka)tf-7 dcz bhvsf4d 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 hf4c6pk-av7 jo 9v)tnr as 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 qlr7j*o( mkn 1able to see the greatest detail when using a microscope*q1r7lnok(j m ?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffi c6g)blp ) qmnrx/*j*k3g 3eaer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fm8f g8;mh6u djrom

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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 microso+f n-f;xt5bn cope 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 d.gdog9xu1((az- :) plp; lidm6 npqz n4hoed3oubled, what happens to its resolving power assuming that all other factors remain unchanged? Its r(z(olg4 zgion:meq931hau 6 dd.pnlx ;p-)dp esolving 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 1g z9akuhkypgt:3 eo77z+sp):7fuauc c+ i:3f8 cm. What lens (in diopters) will allow this person to see distanzac 3hey:k gk: :7tcpag+fs+u 3oup uf7z) 79it 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 cm awasp386jq o+s/ xy1 xshpe:kf 8e cx02dfy. What power of lens shou0 xpp 8x/jc32fs: k+exq 16edf oyss8hld 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 -0.15 D. ixg6afg )( t()+ ewvbcWhat is the person's far point if the glasses are very close togib)e(g) txf+c(a v6 w 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 needhqmuim2 ny 404( tb 3pk/3mgrued to correct for farsightedness where the uncorrected near poinyi/32 (4 mtmbgu0kuq4nhm 3rpt 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 placeg *fb9gh-*xtes reading glasses close to her eyes, and with them she can comfortably read a ne*e g t9*xhg-bfwspaper 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 ney2h i8d-tou f)1)eyqs wspaper held 25 cm from his eyes, if he wears glasses ofy2y)hi1sdot8eq - )u f
+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 -vn givc.n 0foo1ei n:ic-)2zrpq / p8 j.jnb*10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes p:jnnvo*g80.- npecn1o ribvc2) jzi.qi / - fare 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 has a near ja4 ,s-,rny( co hp1zxpoint of 25 cm. What is the magnification of the ly c,p,jh1(4s on-xar zens 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 focaotzve so qad7qg4jj5o4*5-79px /lqnl length of 7.0 cm. What is the magnification if the image q 57gq4lp5/doq4j*9 sea v7oz-o tnjx 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 converging lens of focal length 5.0 cm as hu+h:dw ,ru e*a magnifying glass. What is twdu* h:r,e+ huhe 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 c c pqf;9e662rty1e .vyh)h coyzt*9thm as a magnifying glass. What is the mr e h6vztt 9q;6ohy2ep 9.*c1yyhctf )agnification 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 2.0 cm, 4.0 cm, 8.0 cm, iow r*x*72nnpr sev+(r4fg v. and 16.0 cm. If you were to use any two of these lenn+i f .* 4o*pwgn2xrs rrev7(vses 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 lengthsj;p00jhok o; q3 pvhm0 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the len;jhho3ok j 0 0p0;pvmqs 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 haxz6uekvl5 5xkus+95zs a focal length of 200 cm and its eyepiece has axz65lk9u5 +z5ue s kvx focal 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 astronomicale;i9 toay4*u;k*tm c2 2n twij telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal lea m4 n2ik;wjotce*iy*tu2t ;9ngth 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.nlhkz ;(: kkgdr j172v If the telescope has h k d(v1kznk ;7g:l2jra 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 to a len jjt xx0ou:d,2he3s8ngth of 20 cm, whaj3s ho0dxn ,j etx2:u8t is the approximate 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 objective7pmlm, /gdjn/j i(;ml 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 from t m,/gpl(j j/min7d;mlhe 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 eyepiecyjvzn *)ou/ gl7: iz8ae of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magn8ai :lgy/u7zjz) *ov nification?

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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 o35ibw : ennm+ ie4 9xjsede-0gbjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If tb-:wjeeg35d9 insxie0n e+4mhe two 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-c63jyf x 2qb h,x(hkm/nvpe6m1m barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificationxepf(mvh61n b myq,jk/h2x 3 6 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 cons em +td/;e,ir3uv8erb;stu o(tellation Orion has an 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 that can just ruoe3rd ;+b( e/i;mrestt,uv8esolve 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,7 ofg.bxg jw8 resolve objects which are 0.010 mm apart. If thog ,.w x8gfjb7e focal length of 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 from mrim29 sd6 9waz t,7s:ev x9yva diameter of 3.5 mm to 1.5 mm as the illumination is increased. By whatvy 9rxse:m,9zs9t 7vd mi2aw6 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 pla (33r-gc( j0spfkpkerced into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if th03cgr (kfspk (r3pe- je wavelength is 500 nm?

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