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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 shuttiob)00xq,zb ;2q hi ex;- vycder is open and the film is exposed in a camera is determi,b i-vex2hy 0qzc b0; i)qd;oxned 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 filozvibbs- qsu.+ )5 l7wm 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 l(dg6t )wcv:c(u rf;e 1q ;tel+q cii0yens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, th+y l(wc:e0ttic1 )q6u d( gcfiv;;qeris 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 t-zths9xje +w .4auv;ghat corresponds approximately to that of normal visionjg+ s4x ;tw-9.uhzeva 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 telescob e,lvfh 0 l:,u3pah3bpe 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 c8tgc ehjiqy5lkn)qd -o 6ct1f7o.9 b(overs the film with a wider field of view than that of the eye and through which objects appear smaller is reg qyiqhnoel5f)8(to1ck6j-.9 bd7 tcferred 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 fr :bfnq4h+e0 ba7-pq j ;(bgsyhom 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 light by the 3d/zyb (l *osveye 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 objecte+sx ce 1eqc xyc:88m1s 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 w db*tah44vr( chich 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 too long from front to back, the person isp*ls*h:tb1 0p,:bsapud/ m ip likely to suff ta u1/*bpih:b,pp: psl0s md*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 usually be corrected witwmhjv 30o),jmstr np0-)nqe 1s t,e)ih

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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 riq3 ufat) n4)m-zob u8bse to a vision defect thau qz t4bn)3foba)mu8-t 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 fron:2 i- pa;(ij9onfvf.th3crddm q +n/nt to back, the person is likely to suffer fro p.nm j qa:oidv93/f+-tr;id(nhc f2nm

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu - uyu,umoo+y( q5knw 4i6xldzu9m2 (rally 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*ou;namiw8q* front to back, this gives rise to a vision defect that cwqm iu8ona;** an be 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 isp5 bny+6 (i auaj utgd4;4gte+ a magnifying 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 astronomical*9ll p g:l61je8dtvar telescope isj8l*gtd lp916v:l r ae

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image for x(x i0.-ttinqmed by a refracting telescope. Suppose an opaque screen is plac (xqini-.t 0xted in front of the lower half 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 tsgf69 ;c mbf,wth/ )hehroughout the visible spectrum, in which of the following cases would you be able to best d);t 9bhhf /g6fsew c,mistinguish 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 magnifid;mdrn u8r+la0sm- 0qcation $m$. 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 greates.s w7(( vpf gp2w:ozda ihm5:et detail when using a micresg z 2 hvw(.oapmpwi57: (df:oscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses sufgb*0 / /x7wsy248o2pjg c . dyqbduyswfer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff4qxw0(wexf) wer 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 micro)p .p;3 ;fxmjh:n 2sftiges2p scope 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 isnps4n-spa:*d r pv14 x doubled, what happens to its resolving power assuminsa*ns r-xp1d:4v pp4 ng that all 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 lens (in diopters)e/o .rj(ejy x2jx x4o(* 4bypch8a2zb will allow this person 4e2y8/o j2(.p4o xhebzjja( x c*yrbxto 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 grg(5nmki k)yi7l p9 0more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in k5(gyg7i) m npk9l ri0front 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.0. i f)ezv1ayesb:4 wc What is the person's far point if the glasses are.1wvb z4e cis :a0yfe) 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 for farsightedness where the unco9(vc)q hw3fez+ t0 o .hsh +wn)qb)vwdrrected near point is 75 cm?sw3hbw fv z)d+q(t )cown+e)0 qh9. vh

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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 farsige+n;e8ausgw x 8qfb 6;fcasx w5h9m-4 hted person 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 cm. What lens power is requie qgh88; a; x9s+cx64fmaue wsnf5wb-red?

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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 wea0pt*nvk i m:w9; fh1nsrs glasses otipk n9:s0 m;*nf 1wvhf
+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 b0w6 f*shngqlw t4u120- ockda near point of 25 cm. What is the magnification of 64wqg *bc1td 00skho wl u2f-nthe 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 pli4leo j,rva g04as ver7;) 9cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near o0al aer4g v4l ;eip r7j)v,9spoint?

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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. What is the magnificatiui6q)(d1v2eh8 j(rd y k xkqv7on if the image is viewed by a relaxed eye?8yx jd 6qu)7q1h( v(k 2rvkied

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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 k3jx51yntyn 0*zkfy)j2ef, rmagnifying glass. What is the ma fkkyx*nnjyf12ytzj5 ,03 r) eximum 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 lensuy163 mz-hzxj;rip*t of focal length 5.0 cm as a magnifying glass. What is the mpiz* 1t;mx 6zhuy- r3jagnification 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 lensely-qrq+b.(f bef5 6cls 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,f+ yellr5(c6q.bfq b- 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/h jk(fjbyvq72 f6t;n lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lent2;nhj( f/y7vbjqfk6ses 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 wcfoqxc55/d/ 9 0hglwhas a focal length of 200 cm and its eyepiece has a focal l5cd9l5 0 hwf/ gxqw/ocength 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 10. If tvrcfink7 9b7(he telescope has a converging lens of focal length 50 cm, what is (79f7nvikcr bthe 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 j v t5*if*9nbzvav6,o w0h.ueical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telesc *nazbejht w9ovf 6v*0iu5v .,ope?

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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 twqv+r s ,2n,e-az4q ya 10X telescope. If the telescope is limited to a length of 20 cm, what is the approxiteay-sqr+wq2 ,v4n z,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 objective lens of foc/u-dzh p m6gtml;d b31w-n;kyal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl/hky ndzlmwu3 -;; gtbm -pd16aced 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 focal length 1.4 mm and anpim*uqu28+ r t eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the ovui mr +tu2*q8perall 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 3.0-l 3) mu0doecy/yta* hfnn5-gh.qi - t0 mm and an eyepiece of focal length 6.00 cm. If the two lenses a um f /0t*nh5eodc-i g-t-3lnyyha)q.re 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 barrq3 n 2 phm5p9fo17biwgel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnpn i bw25hpmf71o39 qgification 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 k:4e staqt;s *an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperttk :sa*4 s;etqure (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 is6oqzfqxy9 .a ,*szmo( designed 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 is 550 nm, what is the *qfoam oz.ys9(qz6,x 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 o l6s0l btt,hl8f 3.5 mm to 1.5 mm as the illumination is increased. By what 6t08ll hs,bltfactor 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 H+ m:d 2om2 t56gamfghp5v 7uiv/2q y/hyyh7ugubble Space Telescope has been placed into Earth orbit by the space gp /g+7 5y:ou/ghyhfu tvi6 m2mqmh 27a5vyd 2shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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