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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  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 open and the film is exposed in a camera i i5l(lnbs0ts 7s determined by lsli7 (stb0n5 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 u +t l03qw 8itvsvnxr 0g6c.o6ctu2r /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 cs3j8dc(w ti o.4mr)ufo r4r d4amera the lens-film distance may be varied by sliding the lens forward or backward with respect to ti(dt )4u wjcrr3od.8o sf44rmhe 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 film fg- v)4xyf-9xcn*s yiwith a field of view that corresponds approximately to that of normal vision is referred to a-xy4 -c)yni fx9sfv*gs 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 acp v )ere6m*/s tmz;:r:ls cba8ts 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 thweoqgm, +s35k6t mji 0 w3d6 rp72stzaan that of the eye and through which objects appear smaller is referred sp0md+zestq km 36 ,2w3 w5ot6j7raigto 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 followingvj 4sm 2-rx;0l-vk y)stti -ig ways 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 light by p, hp5mq(ooo sqb1w :3uc2gm: 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 see objects cleai;2emg bw04 fj93yp/ )pttanjrly 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 vu.gcgojz./ui; ,wo9 af(km9see 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 fro,cjome 9qe au/lys0qcr06+(mnt to back, the person is likely to suffer f ryom0u,s q/a+69j e ql(0ccemrom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can ust:ejw7u:kqw n7 xklbi0 a:59eually 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 to ashq1p u ,)wuh0 vision defect that can be phq,ws1 u0h u)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, theet/c znj xr4;q2dz76l person is likely to suffcn4t7rx edq/zjz2;6l er from

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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 c t.bu6xek ft w:22a2c6teu;nf orrected 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 gf, qhz,x;qz;y4 , +lf7a bh+s+mzfcz i4tumk* ives rise to a vision defect that can be cor,kymfs mhcz*4;;ulz+bfh iz4 , a+t xfzq+,q7 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 magnk oru+nm ; 0z1(pb sz-mu2hmuk p3d/r:ifying 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 largm-p+jlc80xivre 35z4 s.vhvre diameter objective in an astronomical telescoperm pvvh8er +3 0c-5x.lz jsv4i 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 refracting tel,ik ,qk-2 tvnlescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effeck 2 -,nl,qvkitt 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 uni6e.ea;9l3bkr9fvrk h form sensitivity throughout the visible spectrum, in which of the following cases would you be able tve;.ra9 bkf36hkr e9 lo 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 ksi/qr4/pz6er+ fa2 imagnification $m$. 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 ths gy397coyogzm4la95 e greatest detail when usam9zgy s5c3l7g9o o4ying 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 suffervc b8mi:nqo,6 from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffk*qlov4yg. )zer 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 ad ce6rd g+1.nipzi8 w0 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 is doubled, 6wmvln(v ic .(6uew+kwhat happens to its resolving power assuming that all other factors ri( .l(n+e kvum66wwcvemain 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) wic/ /t,zg6a5fb- u*yop3 n jxulll allow this person to see distant object*,f6z/u5t c-3ba ou ypnj /xgls 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 clearl4e4z .fy1ygzufr f33sy objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1 gf.1sfuyy3z z3 4r4ef.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 0s/3pjpf1 iccof -0.15 D. What is the person's far point if the glasses are very close to the ey0fj/ 3pccsp1ies?

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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 tbsd ;5-5 cmaswo correct for farsightedness where the uncorrected near point ism5s 5-dwc sba; 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 1 nvyv6:bg:3cz00 cm. She places reading glasses close to her eyes, a3zvygv6 n:: bcnd 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 cimph1 9ru( kysz fng+d nou/)w)77u9 am from his eyes, if he wears g yik9a7sgwd/ noumu)+r nf1)7z(hpu9lasses 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 ab:j y6 wqzrv,d(ssx2 4 focal length of 10 cm. A person has a near point of 25 cm. What is the magnification o6zb sj2qvw( :sx4,yr df the 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. A person has a near poine8lqq5jf6 kqu*jau*5t of 25 cm. What is the magnification of the lens for that person when theiuq8qluqj 55aekf 6j** r 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.st5,uw-x y9, t-vilwl 2m 2fzp0 cm. What is the magnification if the image is viewed by a re9tzl2mi wlsxy ,v -u-ft2pw5 ,laxed 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 .a1x *mzqqhd9as a magnifying glass. What is the mah1 *.qaqdmzx 9ximum 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 j g sky4yrr2,txz,,k9 magnifying glass. What is the magnification if the person's eye 2tz4yr9k g k r,,s,xjyis 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 1erb +,q 0yoauiw6 *m qx,0vp0g6.0 cm. If you were to use any two of these lenses to build a tel,*g,0qa+qe6 0 ivb0 rmypouwxescope, 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 2.0 cm, 4.0 cbve p2d) ;jr)em, 8.0 cm, and 16 cm. If you were to use any two of these lenses to )vd e)rj; bep2build 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 telesc3gm,nhq ( ld1xope has a focal length of 200 cm and its eyepiece has a focal length o,(xmqh dn3 l1gf
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 wp*1c0h2pqs7asey ls g(/f (wfti8:p magnification of 10. If the telescope has a converging lens of focal lly0(87if1paph(cs qf/w w*p gs 2se: tength 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 astronomical telescope with a magnification of 10. If 3x) hik+pm:ha t)xah 3i+h:m pkhe telescope 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 telescopm/9; y qrwoi-me. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the r9q/i o m;wm-yobjective?

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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 leop1ohw ciy;7uahh:9 n, 9j m(ingth 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obje:ho9 mu(o phn, ac9yi1ij7w;hctive. 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 fw+:,w jl0wk-gm y6 0iub 5ihjlens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted fof, w0wibum0jy+ -6hkj:5 gliw r minimum eyestrain. A blood 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 azib3anx8 9k4p d/fuh3n objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00d 83fa 43kzuxip9h /nb cm. 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-cm barrel and an objective with a focal lengplt40v5 x riv/th of 8.0 mm. What is the foca5i/lx tpv0r4 vl length of the eyepiece to give a total 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 in the constelml 2s z62cq.jen:n e.+mebh6t( mp2mulation 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 apeq.:zemtjm6 sncm2nb e e lph6(m+22u.rture (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 apas pv8/nh/.k gmrt. If the focal length of the objectivemh/gnsp k./v8 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 cha3*tzpjzf6 j: praug/p3x+p/o nges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minim+p *a op3j/z6gt:rf /p u3pzxjum 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 placed 5a/5bbxaege way-p xkz90/): diqf9ninto Earth orbit by the space shuttle. What angular resolution could thk-aq9/5xeda xipa )e f 509byg:nwz/bis telescope achieve if the wavelength is 500 nm?

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