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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 shutti)tp m 1gic7 +l6:vct86(m esruhewm0er is open and the film is exposed in a camera is determined murh 671+)e tmipt:sc wcg86(i0velmby 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 +b-b3zka o0qh- l;/ um njchbb4,gga *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 +bzcbxrb)pfled m6 39zjv0 ./may be varied by sliding the lens forward or backward with respect to the camera housing. If, with)p vjzb+eb c60lx9b/rf .m3zd 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 cover 1 57eo2)2lvgnmmjimbs the film with a field of view that corresponds approximately t n1ivo )7jm m2mb5e2glo 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 acts like a tel s/t s17lhi q6aua)agqb 9i-dls(tg-// w5riyescope 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 that of j8xubv.5cy-*z 7j;cqmm7iba the eye and through which objects appear smaller is referred*7cv y5zq7;.8jxb jam-muci b 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 came9wrg*pn+hom t o;g2/ ira 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 light by the eye occurs :9wu9kgni6r r 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 eyeb.+- lfny+pa cez 24sj 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 obje3 bgmh;jt; +zmyev.-pt h2ocup*x 3w* cts 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 7(btiwt nn,9tperson is likely to suffet,tn tb9i7wn(r from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuallb( s5xo(t9nufuz 2(sqy be 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 back, this gives rise tox 9 3k9kwk8oxot-gr,zge4 rqz9 ;gy2a a vision defect that can be c, tk y-o9 xo93r8zxe29;kw4qkgr gga zorrected 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 fro j:)1.70mb-o4ya+lmima/mzl q je s uznt to back, the person is likely to suffer fromza1)momsu7-/: m0j4 b l .qye imjzl+a

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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 corre y3*mwo a4ks2acted 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 g+ykme0k+( 3rfbdy44i5thr gis too short from front to back, this gives rise to a vision defect that can be corb0 4 k3hd ie+(mtykfr+4ggyr5 rected 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 glatz d1yqraj9be5x92-xs , u(gptabq ))ss?

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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 i9kc5 9suj ;su p9oma/dn an astronomical telescope p9 ska/om cd9j ;s5uu9is

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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 awhnyoab;p;drna e02 +e5h3a :n opaque screen is placed in front of the lower halfo5hye;; :pwr b0aehdna23 n+a 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 sen67 5qnjt6 wulpsitivity throughout the visible spectrum, in which of the following cases would you be able to beqnpt57jwu6 6l st 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 aa c6d8thyo9( 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 see the greatest detail mgq 1n3zu;nj1t6 yal6when using a microscope gn3l6qa;6mnu11 zyj t?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffky ln,q pgog;0h)k7 dd+*qs r+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 suffer from u56hzmd.qvcp bl,--i

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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 mpdmb*/ jmda 5r+chpr0(h kqnu/1ywhb./k;: microscope 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 1xqw zhhag5;n -m z34c(pks0tis doubled, what happens to its resolving power assuming that all other factors remain unchanq pwt31 ask(h40ngz-hxmz5;c ged? 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 ha8*tnk. 5l1i qd,kliype2 l4n as a far point of 18 cm. What lens (in diopters) will allow thisnyll iaq* 2. lk 54n8,p1iekdt 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 ;p2*8o4lhkhhyym zl / objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the ehpy*o/lz8 mh h;2kl4y ye?

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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 a+:ohzeda8r * lenses have power of -0.15 D. What is the person's far point if thea+zr*:8d hoa e 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 n,gby trr:22c5c sam2ge 2o2 greeded to correct for farsightedness where the uncorrected nea cr2gb:gm2 ,5r2s2 oe2c grtayr 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 reading glasses oa c/:8tkpoeqk0 .ycl 4cd(7dclose to her eyes, and with them she can comfortably read a newspaper at a dis7p.:ed yo (/c0ckatkcq8odl 4 tance 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 ey, 5ttof*xor (ges, if he wears glasses oo r,xt ogf5*t(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 10 cm. A person hm 9*fq bicsq)kc0j:e3as a near point of 25 cm. What is the magnification of the lens for that person when their ey3c:mk q 90jqfec)s*i bes 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 vfkk.j7 apv n/p h3y5.a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that perfpvp n7j..hkva5/3ykson 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 4a:-bo b t8 pro4n*oki7.0 cm. What is the magnification if the imagkn4p t8 4b*o:r- biooae 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 a magnifying glass.avh;*a r/e g4q What is the maximum possible*grhqea 4 v/;a 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 convergi+hpv4 9mr1 g(.u4(x5p ku3vrj mhqiv, sy yu6hng lens of focal length 5.0 cm as a magnifying glass. What is the magng p1(u vyr+ir.k ,u6ymuj hs3v5hvq4x(m9p4hification 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 ofz08ricz8scc h-6ku+ g focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use ar czc+z06-g 8 uicshk8ny two of these lenses 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 lengths 2.0qn :qes(:-pvr + xix7a 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 lens separation for the maximum magnification telrx ( n- pqqe:+si:x7vaescope?

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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 telescopen+yxa7f ifv rn:ui60v a f*v39 has a focal length of 200 cm and its eyepiece has a focal3*9 rvfiuivn0f:n + ayfaxv 67 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 telesco7x nr,zl;.-u y7dxi1lwun60 eviv f2ppe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what isn1x-lef7u70iyu ,6 rzl 2i;w vdnvxp. 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 astronomical teleoq jlb/zr,*i ,scope with a magnification of 10. If the telescope q /bil,j*roz, 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 10X telescope. If the telescope is limited to a xr-zx6 gd vf)pjej n17dh3:3o length of 20 cm, what is the approximate focal length of the objectihz1xejj6):gd37 r n x ofd-pv3ve?

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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 ey iiksmy /k.7o;epiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apar./7k yski o;imt 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 eyepiece orf c;qtu w(p19f focal length 20 mm, adjusted for minimum eyestrain. A blood sample is p1w;(qr9fcpu t laced 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 and n-9tj k6ba /lqan eyepiece of focal length 6.00 cm. If the two lenses are separataj6qb-t /k9 nled 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 an/b1 a ywtoj3p:d an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magni1pj3o:t way b/fication 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 an angular separation of 1.hss gx) nf95k0-5 rad. If5gk s)n x.sf9h the wavelength 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 designed to resolve objects wkg ,u+sxf9*z.n71xs(r q oq nlhich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and tqzukqsg 7n(f+9r*1sox , .xlnhe 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 ofu2q l ; z2nuhs9ai7o5ea/0wig 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of rezewlu2sa0hn 5qg9i7 au2/i ;o solution change?

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  The 2.4-m reflecting Hubble Space Telesckvg j xxica4z.z;c*+l:b;;z dope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is bx ljd z a4zx.i*g+;:zv;cc k;500 nm?

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