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习题练习：Physics Unit25: Optical Instruments
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 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 vxe:: 9 iocnw8*mjsl 6open and the film is exposed in a camera is de6el :o *v9 mjicnx8sw:termined 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 toaiw (xcf xs3vid+13k9(q x2ehe 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 va0jcj1m1a.zx 5sd*e( eqj6 wqzried by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy 0qx5 16j.dew 1 ajczzsmeqj(* 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 oml cgf772w(b+rqz(tb+n bgf/ u;:rdqtmt59mf view that corresponds approximately to that of normal vision is reff9+g+q ;rm dubn7blfw(: qt7gmb2(rz5t mc /t erred 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 likwyai 7g(tw07 0m*gk,4xxq4c7ojr ufwe 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 covercjo 4;46z0e ntg7)sgq rduwy 6s the film with a wider field of view than that of the eye and through which objects ar0teq 4d6n go6g s;4zw7c ju)yppear 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 wye* rasb x*337y8zbbkays is a camera different 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 li//dz0ap6is q(ypa 9mught 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 eqm 3d5.o8nj ao:z ri1hye 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 can see objects clevpqjvk 1e-87 rarly 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 frowzk9w, o 9k .ox-2kkdd)6t4dsq(u tsont to back, the person is likely to suffer fromdwk49d6 9wo zo,do) .q(kkt t kxs-u2s

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usually b7 3e 0qa:s4knw lk7imge 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 bc0n )y00tv0 0to8s v,pzsooxrack, this gives rise to a vision de o c,s0z8ntt000)vvxropoys 0fect 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 l1cgl uq6z8;ey ikely to suffer f8zq1l6; guecy rom

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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 correct ukdy qa/8 n6o:6ykf.led 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,s 2b 6xhpo . 8)fz)jeksvobb4 is too short from front to back, this gives rise to a vision defect that can be ),2b)z veoh6.k 8bfxs 4psobj corrected 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 glass?975ozxw , zezw

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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 astron +zhwbt55c pmv+-z4 oaomical telescope isz+b cw t+5 5-4vzhpmoa

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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 b+*l z -mnytwl)zsqo .9y a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. Whatosmz9y +-zllw *n.q )t 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 the visn888f7gwjmorwm + k:uible 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 telescope usum :o8fnm8+7wg8 wjkred.)

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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 lkdtb,,s)y f18 ev+oimagnification $m$. 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,;:xhkc vz lc:4a;+pc(q.d 1psy vtq z to be able to see the greatest detail when usingpc, v: qk;v:+ c ysq;4xzazp.(tcl1dh 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 suffegigdip7yiba 1 )p;45ar 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 fromemrx 8.;f3ikc

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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 ability tolmhx*j.y7)j b

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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, 5k)x nza3fw2cavyqhn4 7n5e4bsu m*, what happens to its resolving power assuming that al nvaf y7n4zxq53s5m,wau4cn)h eb*2kl other 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 oot:ujxosylx+4 (a ,7 lens (in diopters) will all, os xx:y7(alt4ujo+ oow this person 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 cm away. What power of lqorv75h/ ircx,k,. yrf5hd1z ens should f5, ,qkr7h ivy zrh15. orc/dxbe 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. What g39lqx0 w 8uha:msea:is thx0sg3u aham e8w9l:q:e person'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 f q(*yq c7r,ab.sff3i ior farsightedness where the uncorrected neai,qcy.3fb* qif( s7 rar 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 places reading8 rc0q1ef: -fvg2vwhi glasses close to her eyes, an8v01ih gcf e: -wvqr2fd 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 from his eyes,w nqh60;n1x va3z/qos if he wears glashqaxs 1w306z o/ ;nnqvses 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.; u2)d2ufpqmo8 v lkq- A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyesl 2dq)- 2mq uo8pfku;v 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 foc. dt2ktq-evq; al length of 10 cm. A person has a near point of 25 cm. What is the magnification of thetq 2-.ek;dtqv 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 q9eo)ckqow :(. p :pxhlength of 7.0 cm. What is the magnification if the image is vicwoh( )::k9oq.epx pqewed 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 magnw*4hnu swags7r+ lj: mw 9d.6nifying glass. What isl+m a *n7 hdww:u swngjr4s69. 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;ib s z-ti /m+n(0f/gyiewzf- as a magnifying glass. Wifi/ wn+fz;z(s i0t/yb-mg- ehat 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 of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and c+cln)o;ti8ysoz4 k116.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magns)8 c+;4 tlok1zioycnification 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 p3lov) q1+. f..i3qmjif06dujxs cs q focal lengths 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 tfusd)pjs.v.lxcq+ m6 ifj 03 .qoqi31elescope, 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 focal3kkzmx(v im /: length of 200 cm and its eyepiece has a focam3z(vx /mkki :l 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 magnification of z6*v . q6n:buyss/jos 10. If the teljynq66sb:.so / vzu* sescope has a converging lens of focal 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 astronom)vtdwmv2 d2 1d5:lx prbvn d oy86d6;qical telescope with a magnification of 10. If the telescope 5dv6 bdr:n d)p1 8ydm;t6doq2 lw2xvv 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 m x xnjrp3w +u5-mv7ovb0i;f(10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length w ; i xn3vpu7mmr+v( -05bfjxoof 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 of foca.y(tjhjk x*dt3q5whe/ey2- w (f t*h 7 1btyjol length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyq27(jytwy (5*hf 3tjbxw te.1/yo-thd *jehk estrain. 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 objective .j.ejwh-6 mw46-ppsscf:d vx0 wm c1v lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blo-v0sd. ehc.j4 w :c- pjw6m1p sw6mxfvod 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 has an objective with a focal length of 3.00 mm andb8l) tkg8u9- i rii 6(gwdfb0o an eyepiece of focal length 6.00 cm.k-rldf bb8iw( 08 tii9og)6ug If the 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-ch l.urgzvy;rdua8. l+tbi94s w. u -5jm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a totulh;rt.yu - wj4gs 5+vl bura98iz.d. al 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 zuil.h n-m0v2(ibf 0fin the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is t0i2hn-z(ml vf0.i b ufhe 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 designed to resolve objects which are 0.010 mm an0o0d1r4h g/ u0uskc 4p0zllxpart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the dxpu l 1c0d0k/r 044hu gslo0zniameter 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 chs 8t11ikl tqa3u40c ik6 9ciosanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of ik9ai6lcs 41tuc3i tqsk1o 08resolution change?

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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 bwrz6 +z5 9yzjEarth orbit by the space shuttle. What angular resolution czyj6z rb9+w5zould this telescope achieve if the wavelength is 500 nm?

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