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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://51fly.win/test120.html  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。
 作者: physics  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 o. :.3 x6q)fhol xfevwopen and the film is exposed in a camera is determined by thx. x)wofeql3: o6vhf. e

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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 inepb74wuoyv:f vl++fa(stye26 h * f 8b 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 varied by slifma+a( o0i6mr 1s ; m/:hlflpwding the lens forward or ba:wm h lf l/ (im1smof60;+parackward 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 film with a lxylk zyc4m7*q0ds( ;field of view that corresponds approximately to that of normal visions4 (z;cllyyd*0k7qx m 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 telesccl4k+mpl h6 0p6gqt n6ipvt ;-ope 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 thqb p:.u,f /zenbr-/fxv:ep lh,nyn6 5 at of the eye and through which 65 ep://:fnqfv n-xebyb.uz ,nrpl ,hobjects 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 txwg;p 33. wvgxfwf5 u7he 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 aym rnz6coriq 602l/l,t 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 object*;es(3gnao m f0q lq+es 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 s-ig1 o 21thpjbzzl. *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 per 6(gd jp.im * v;;ec.okcl3yhtq6:k wlson is likely to suffer ll tmeho:6(i v gkckq63;p dc.*ywj.; 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 withb ,fx0ntow5n6jj9e /x

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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 to0:ejach.lhwxc*f4ajy8 r q4 f w2m*7po long from front to back, this gives rise to a vision defect that can be.ra h*44cc:0jqw x*fa ljwmfeh yp728 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 bancj5l9h;fk;v p3 :fback, the person is likely to suffer fflcp ;;hknf3:9b5a vjrom

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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 corrected wir z,qo cxe/o(mn 4jt,*th

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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 frke ev2pwz ap2g0-ug.(ont to back, this gives rise to a vision defect 2evzwp- ape(. 2g0uk gthat can 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 is a mu5gt8ytxt,.f(or p .fagnifying 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 ve1gut4l ci7 ljn+4*y-yqo9gx ery large diameter objective in an astronomical7-l in4y49+xgqcuoj y tlg1*e telescope 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 telescope. Suppose ayi+pb1j 0eiwr q lw5 /tdas(()zd3f0kn opaque screen is placed in front of the lower half of the objective 0beqw d0d5wstay3f /+iji prl)1 k((zlens. 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 usedc/yi5pbp+jtr;f :r1q k 8sww7 has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (Tjbrf:q8k/ +t 1c ;pwsry7wi 5phe 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 magv +pdvz;hc1;j nification $m$. 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)t;tazi5(f8rvinmy,7vl 7d o see the greatest detail when using (,75t r)iinoa7 v;vdtmz l8yf 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 suffexxd4 v kw/efav .0run9ud) 0dy1dy1h;7j2bc 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 ;h+cap z 2+cgufrom

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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 microscy b:flemfqo(v(1 -, rfope 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, what happens to its resolving powe4hl;dv * 0 vpiwlb6wj;t esk:2+h g:exr assuming that all ot4vl blvsxj p:6 2wetd;ehwk h +0gi*;:her 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 hd3jbd-gkv)gtg*k: s4xz;g 1 lens (in diopters) will allow this person to see vx; 1kd:g )z-b3hjgsdkt*gg4distant 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 ler .r 8+qljk8jyns should be prescribed if the glass is to be worn 1k qjyj8+r8lr. .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 lenses8pq y* 8lkvosms(5x0msw9fb 1 have power of -0.15 D. What is the person's far point if the glasses are very clofy5 k08 b(8 9*q1xlwm ospvmssse 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 farsightednessc osy*+ alv2.q*t x1z mb-8lla where the uncorrected near point is 7t ac-.bll1m o8*svl*2+x qz ay5 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 farsighted8h8szj;; xhq e 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 2 q ;e88zxhjs;h5 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 from0jk, yzqw;wg7uuv7q/x4-n n8 g2i gwh his eyes, if he wears gla2jqv unk0 8gww ;iy4wq,7n zgxh-g7u/sses 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. A person has a nea ,bmz 5cw:vg9(xu *rqsr point of 25 cm. brs,uc5 z vxgqw :*9(mWhat is the magnification of 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 lenhsw f;1-e3i. d3sa1kpp :qi ahmd0k b6gth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their3sfb w d:qe;mipa- 1 36k ipdsh1.akh0 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. Whatj-c 9(.rlwitn tg15z0omjd -p is the magnification if the image is viewerznogd.0jmp twi l5-1-c( t9 jd 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. Wuasx-iy 6.qyzk lzp1-:l4:do hat is the maximuu1. lizl:q z4-aok s:pyx- dy6m 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 fosd1gh0t)qu (s kk4o9 ocal length 5.0 cm as a magnifying glass. What is tqko ks1 h4g)9tsod(u 0he 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, a/bov0z;+ f lz)pqnihqcp2f9)nd 16.0 cm. If you were to use any two of these lenses to ov/+l nfzqqb;hfi0z p)c )29p 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 lenj u+7klg)( hvjgths 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 telescope, what iv) 7j jlkhgu+(s 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 200 ca9 -2cczcuq*l m and its eyepiece has a focal l c29luaccq -*zength 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 constructsv( kc)va qff96ir+k8.i )qucj an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 6ku.8 vaic cfr()+ vkf9)jiqqcm, 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 withq;ms/lhp+b-l svb 1r ( a magnification of 10. If the telescope has a converging lens of focal length 50 cm,sl/1lbhpbq -v r+s( ;m 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. Ifutdh ( 4eo.he2 the telescope is limited to a length of 20 cm, what is th2 heeh.4 td(oue 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 a57s9p+ymhxm3 rq)ynw nd an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart am ywnsmyh 7qr)+x5 39pre 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 eyepiec5a j(qd;hcg9 g+-a pudml/t.p e of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnamdgg(tdhq 9 a5/p+ p j-.clu;ification?

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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 3.0yk7k2gct4a/nb m+ fz;0 mm and an eyepiftbzk4/y 2n 7mack;g+ ece of focal length 6.00 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 length o2xb(*b:w e /km7ro 7drv7jzg+ u 1xeadwih:*a f 8.0 mm. What is the focal 7bda 2(:zag ww+i*u/1 rv:ox7bx*rkeme hdj7 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 constellation Orion has an angular separation of 10-b8 ; q fw0 f0sxbcbq)h+;es,ru5 rad. If the wavelength of,h wq rbs0;uqf8x+ bf)c0sbe ; 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 which are 0.010 mm apar)hx h3q1 g0nost. If the focal length of the objectiv13qh o)gnxsh0e 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 mm tf1b/g+akjdt 0pm4u . p/ yv/xjo 1.5 mm as the illum+/mpuv0ykgjtfx4/b /j dap1. ination is increased. By what factor 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 Space Tele7j-h0q vqa4q r+ ecw6qscope has been placed into Earth orbit by the space shuttle. What angular resolution could this telesca04qq6+ 7heqr v q-wjcope achieve if the wavelength is 500 nm?

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