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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: 匿名未登录  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 g w*,xxroh:-my )0xtc open and the film is exposed in a camera is deter xx*-,y)xo:hgrc w0 tmmined 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 xwcp9t)4 /h1vf:cr 9 igni0i za 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 )haxxc+dw 5-h8b wapfdm1j,) sliding the lenah)wam w df+1j-) c dp8h5xb,xs forward or backward with respect to the camera housing. If, 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 f: dfma0rjd(p1 ilm with a field of view that corresponds approximately to that of norma jrp0 ma1(:fddl 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 actsl 5cb e+ f x5tih(*hd9gqcj(g*u4yc/ r 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 f; i t51fdqvaml7n0y(qk9g :ra wider field of view than that of the eye and throughr9 na0f1(qf;i5l gv td7yk: qm which 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 the human e5p sja7(+;in8wxrzvne8 h b2p ye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refractionysy .mb/9eo:d of light 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 eye can sexym7ng:g iz lmp0/9* xe 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 obqlv)j-puqpsp l;:a2n/+m -4jbg q k6ojects 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 fronia4s mqp8(h:wr wy7/bt to back, the person is likely to suffer ipy78bwqs( m/h w4r :afrom

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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 3skd;gnci v7q v3r7.zcorrected 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 visioak5u;zu1v7ds **l23niy i zecn defect that can be corrected by uszluk vi cn *y27is;5e 3a*zd1uing

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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 iz(- m19uwr6l2gkdsw k s likely to suffer fro(- klud69 gzm2sr1kwwm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usuay4t71tbt6ey ub2 ud9fcy )pktw9rp 42lly 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 gives rise to ah.t 7v eptq d247w 2cznx;,)lvnnmss/ vision defect that can be corrected sqt sd)v7nh 72n me,;2wnlcxvz4 .t/pby 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 magn 0dobmec;s327bklm q bs (z:2vifying 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 objective in an agc8) hu0q kd r9ngof:9 rrsb49stronomical telescope i4 bhg0 udkr9snf9 go)rcrq8: 9s

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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 an opaa/.s y4c 1ydsvque screen is placed in front of the lower h4ay v/ysd s1c.alf of the 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 throughout the visiblet h oqq ;;pk+r6x98n-nid,ul u spectrum, in which of the following cases would you be ab8ql+ u;dt -9xqn;ih,k o6n ruple 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 telescope has a magnificae184s r) e1u2lt awvepo7jy:zht3-yftion $m$. 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 expectnf 1uz*peh,u) to be able to see the greatest detail when using a microscoz1,neuup f*h) pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff 3+wmt nb.-z)fvu kpv*er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf4elsbv68: 9o+cquq hyf :ojd.fer from

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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 toq8v 5mde7n u;3 r+nucx6bw w.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 disg x3+ukafk5 +ph is doubled, what happens to its resolving power assuming that all oth+uk+ kx3af5 gper 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. Wh25/u4fk jn3v qlhuah 0at lens (in diopters) will allow th5 u h2l/v4 0nqhufj3kais 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 objoqpa21u h a/;ub) trg1ects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1o abqu1t ra)ugp1;/h 2.00 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 powe3tuovy+ze 1 oo4h nx5o /2ncv/l1 nd(ar of -0.15 D. What is the person's far point if the glasses are very close to the eyes? /vzd4/(nnuoo+ oyoante3chv 1 125xl

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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 neq f u.67y4r)+, wq9rb *4imnubqjo fuxeded to correct for farsightedness where the uncorrected nei+*qf y n)qr. qrfjbx4u 67w9o m4u,buar 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 persod 9e x:0aqwt*1mwve1nn is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25*0txw1e :9d1 nmeqv aw 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 frdy/gx.n3r7 jm7vvb a *om his eyes, if he wears glasses o 7avy/3j m .g*v7nbrdxf
+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 near poinn j/v w5:w,jjy0 6x vfwez43:g-ghs2uthoa t5t of 25 cm. What is the magnification of yxon3j0s :avj 26zghwef-t:55htu4g/, wwvjthe 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. tp hpd dd6*p9s72x /acA person has a near point of 25 cm. What is the magnification of th px7p/tddha sd2c9 p*6e 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. Whdt*+ t*5esuigprl+ 8 )cg8 bmjat is the magnification if the image is viewed by a relaxed epb 8r +* si+g5ej8cdt gtlu*)mye?

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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 magnifyin4 z.:vmsbi+ay* ;uih24qx vh kg glass. What is the maxim2* +v;hv4x kz4bas uyh:m.iiqum 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 as a magnifying fc 3(.g -lxczbglass. What is th(-g.lcz3f bxce 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 16.0 cm.i7-vvs5nb d6gk3z . hw o2sjq* If you were to use any two of these lenses to build a telescope, what is the maximum magnificat52-vi g qswdk. 7nohj3bzvs6* ion 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 lengkc7j rhn7.uo ad87jikl+0n2ge6z1xeths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to uojgk6 nhzrn 8+1 jldc k.a770e iu27exse any 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 2guxog sy ( m3 -x09n08veam*qx00 cm and its eyepiece has a focaa v90 em*mn(uxx8qo 3ys-g0gxl 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 magnific: d.j5 sodr:g2tv sa;,hujvq9jhb,h 0ation of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece?h 5g j0v r,huo9d vs .da,2;:tjjqhbs:

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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 tssahf2 q(64lk jp2f 4she telescope pfa4q(jkl2f s2s h6s 4has 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 the telescope is limiklf1 wh+9y5+kzh/9 x 6r rfjbzted to a length of 20 cm, what++l9jw16 fhb 5kz yfhz k9rrx/ 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 objective lens of focal length 1.4 mm and an eyepiece.oad4)zyr ssmo xp21 r30ou/ t of focal length 20 mm, adjusted for minimum eyestrain. A bl x32asopu oyo/.rs)r041d mt zood 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 lens of f qv( .e3tyett*ocal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bq(*e.3tt tvye lood 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 9m ipw t32wh,kmm and an eyepiece of focal length 6.00 cm. If the tw9h tk m,3ww2ipo 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-cm barrel and an objective with a f,ry9.ywi:6ybss v9e; y(kk ieocal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnificy(wiky9.y yk:eseb;rvi 9 6s ,ation 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 constel;(-svivd hm,hy1gy) hlation Orion has an angular separation of 10-5 rad. If the wavelength of isym;,vhvhd 1 h(gy) -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 designed to rsx)aq5tt)2 6 kp dk.eeajk t9.esolve objects which are 0.010 mm apart. If the f9pj5k)akte2t) 6 t.qkda.s xeocal 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 a diameter of 3.5 4hsmm(g(l 5csjhw.r)mm to 1.5 mm as the illumination is increased. By what fa mhssh5r.4( ) gmjl(wcctor 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 Spac xs*my3de1)j uoqk:l-e Telescope has been placed into Earth orbit by the space shuttle. Wh3seylkxu1j d)o mq-: *at angular resolution could this telescope achieve if the wavelength is 500 nm?

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