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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 v15wre/-ybfcis exposed in a camera is determ-byr vfwe15 c/ined 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 a camera is deter. fjl vhq177t8j(rm nemined 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 sliding tywup8 au. ,zzi9tl3 m6he lens forward or backward with 8tua ywzm ipl36,u.9zrespect 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 thc,j5)q/ bbetn) ytdd: e film with a field of view that corresponds approximatel)ddbnq /,b y)ttj5e:cy to 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 telescope to magnify imi0 lqnw5wxf+0 n o-rr5ages 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 th zyx2/n r +hniqb6g5o3q9ctc -ltya1jb 1r3y8an that of the eye and through which objects appear xr8+c3 9n51i6r/yyb 3ny2otba jgh1qqct- z lsmaller 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 cacjds. c8qg32dmera 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 l*wn2xkh )gh0 k0os:ehight 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 sea,+u4ti -b(h y 77iprktw8 mdxe 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 distanceoa br)8l(kis r:lf1)z at which 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 to bd8b / su(rwz17n6kuqb+o8e(mw 4dpno long from front to back, the person is likely to suffern(+rq14mu7bob wude z8w sdpbk6(8n/ from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual po/ilpq;n c4:ly 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 c7u(o7fod p +srise to a vision defect that can be+o c7us dpo7f( 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, th mp5hpxq *,+r knb-af /u7*szie person is likely to suffer fr-p /*7 ,+ * pfxqrhnmbiaz5uksom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu :/e 6mmjw.otpally 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 *m t1 a*a(k)r o-eivshfront to back, this gives rise to a vision defect that can be cormso -(1) *a*iahet kvrrected 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 glasstv7w6 3gyia*n( ;kj yi?

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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 l lnu13kg clocdwpt-7 g:9.bu 6arge diameter objective in an astronomical telescopec91-6 g gulcbo 7kw.tnpd:3ul 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.+nw(p+y63ku qczg9n m Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wi6( 9cyqn pk3++uzwgn mll 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 uscq;g y+ldpd 5z,7 l mx+nj3nu7ed has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closelq;dnjpx3 u5gy 77 z+lc,+md nly 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 ma ( /ygtra.lp6egnification $m$. 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 yout6i z qx/m / a3tfqt+x7z4q.va1enc+l expect to be able to see the greatest detail when u.qz+7/qz+m /vc6nft4 x xt ai3qleta1sing 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 sufferqdwyrx 89c/hvm:p 8xu 3 .p7pk-m wnf, from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferg*djm glp/,mb8 *j (zz 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 ovn4 kibm 7zo7q-l 9v;ff a 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 ranwh7 c-s x4i/jvqc cd8-(no9 ddar dish is doubled, what happens to its resolving power assuming that all other factors remain d/ --v987c onsd4n xjqcw chi(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 on3:j6yssa+ cf f 18 cm. What lens (in diopters) will allow this person to see distant objj snyf6c+ a3:sects 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 mo7pr l6-a-p lwvre 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 ey-al-p6lr7pv we?

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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 lense ctwuubk d53h55j-b)ds have power of -0.15 D. What is the person's far point if the glasses are very-bh)k5ubtjd u 355w cd 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 farsc3;zg (t /xyrcightedness where the uncorrected near poincyx r(3t;z cg/t 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. S:,u5, zzk8:8xqyzo6tk1s wwu rim3nthe places reading glasses close to her eyes, and with them sszu8 ,u5wyz,z:xtk1 m on :wi6qr38tkhe 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 cm from his eyei nfq9(,q(row s, if he wears glasses of9 i,rwf n(q(oq
+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 o*u8bsvbame wvj ;.rp-b 0.m d8f 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that perso er8wd*m b.ujap b;m.0b8vv-sn 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 lenkux,m x3ae;kf*fy c+.gth of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when thefk +3fc*kx., e ;ymxuair 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 hashjoq7e3w n3 b1 a focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxed17 j qbe3wno3h 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 lengb*y)2tlm 7dekbi q7s; 7sn2lv3a0 ecjth 5.0 cm as a magnifying glass. What is the maximum possibleb l7*a 2jessqb2yn;klv 0d)tim 7c73 e 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 glass.t 3t7hp igj,7w What is the magnification i3pj t7h7,wgti f 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 lengthsmhglfa 8;8jk2.hnk4vd;jwlm /v4s5 t 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, what ist5a jh8k/h2.gvv ;mkmj8;ln4s4 d wfl 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 2v1,p xo;mzo1d ajbmj0.wzrl. g*wy:( .0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of y p*a w(j.lz 1zvb, j0dmgo:;o1 mwr.xthese 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 l0knxl j 83pdzbc4d*w34o l0smength of 200 cm and its eyepiece has a focal length of4 k ls8m0xc34ddnpob *l 0jz3w
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 magbzrb (bwy 0:9rnification of 10. If the telescope has a converging lens of focay :0zb(r bb9wrl length 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 teles r2wk5o k5+ppjrzu; .+tsc-xicope with a magnification of 10. If the telescope has a converging lens o2-5o;rj us +x+.rz pwkikpc5t f 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. 4d03b 8px t6f0ioaen zIf the telescope is limited to a length of 20 cm, what is the approximate focal lenn6px83 obf4edaz00 i tgth 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 ofz nw t*mxa71n i-1ikx) focal length 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 objective. How far n) mi-kx x ait17w*1znapart 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 objec: x) tptsg 0z zha;3f(v8qol3r9oyv*x tive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blo8*ph s rao:qx3fy; go0x3(vltv9 ztz)od 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 withxs 4sk9-vh:un a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. Ifs:xhku 9n-sv 4 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 ovps,m5itl.+yni+0pf u wkkp(z,s5w* bjective with a focal length of 8.0 mm. What is ip ,,pfnz m+*5t0kplkw 5.u(sv w+yis the focal 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 O n3n(,4wdzced 1iak3pbr e7 :mrion has an angular separation of 10-5 rad. Id,re1ecn ibk d7p(:anm4z3 w 3f 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 ob5 *v/rp)d5lshpqw5p tv 6ib t-jects 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 th ir 6bppl-dv5/5v*qpst t)5w he 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 diamb- 5yyljbb)h)j 9:sdbeter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resoluti 95)b-b bsl)yybj h:djon 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 s yc 3ewi8l*d7Space Telescope has been placed into Earth orbit by the space shuttle. What angular res e*yw3 c8i7dlsolution could this telescope achieve if the wavelength is 500 nm?

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