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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 open and the film is exposed0(utc,xo3(y icmx( gy in a camera is dettxcxyci g(u0yom(,3(ermined 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 deter72 cy-(sk-vv dkjb z0amined 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 lenz /r0ohim-x5a j:w rz4s-film distance may be varied by sliding th0ri/x:h -w5r4zj ozmae lens forward or backward 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 field of view thagq*xu mm5d0h kg-) e2f8mvk/ zt corresponds approximately to that of normal vision is refug8 mf 0mgq/dk) 2-5xzmvh*ekerred 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 images 9 /be.) ozcqz kcxf-z3q(8ti/ oazne;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 cover.r2aj5 nmwge0qq) 4ops the film with a wider field of view than that of the eye and through which objects ap 5q4qw ern ojm2gap).0pear 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 dif l fpzv;eef+v:9p*o1tferent 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 od2efi, 2wtw3--c cfu,oh rn ose x11h.f light 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 see objenyeg)m4e. di ;cts 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 w-m ty-l4 s/qleye 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 fr s pfr*)9/u7u7fih lmpont to back, the person is likely to suf l/7u79mff*up)hrsipfer 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 zwn/ ( ), v/f.yyswbtibe 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 p ngb8ykzmra2;* ;m5fback, this gives rise to a vision defect that can be cpz5 2*gr;y8na mbk;m forrected 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,l5 rn ry4n3ey3 the person is likely to suffer flrey3yn4 r 5n3rom

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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 correctqfo- 0mak j-lqb9v2ek o;0z*ved 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 gives rise to a haj;x ux).ob7s 6ku 7dvision def o);da6.u7sbuxk xj7hect that 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 magnifying glassbn-uz ixy, 1dd 0i z0e3cjlfh9h-r6x 2?

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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 lgzgw4q*)p:5 f ocf77wwqp,b :p/po ousing a very large diameter objective in an astronomical telescope isw pof5zo:qf wqbpg/w:c)l4p gp,o*7 7

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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 refrac: 5(vzyl*7flj 4e2fc-vo xhxcting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effe52 (z:v*fh7l o-4c yc xfljexvct 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 throughout the visible spec86;r kxp 1xe25rvn b9f 6gadcbtrum, in which of the following cases would you be able to b rr ca8pndfg vb;e6x2k569x1best 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 hdy(rexvm 6w0 h9lh 3.las a 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 detaiu m fh1.i0c 2+hqu(agyl when usingyaf cu 0h.(hqg 1u2mi+ 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 suffer frq qfr7yq l:7qyyrq l(7d6d qy 1*hh8m)om

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer f0ufbcdq+mtp 6.qnh y g:84)vyrom

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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 microscope refers to the abilitj 54r-t ugwx9ty 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 powe ov8c7 * 9)eysslh+xrty;do6c r assuming that all other factors rema)o6x*y8 s hccd;9o7 e s+tvrlyin 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 si;l9+rx u aqq6fy(o 7lens (in diopters) will allow this person to see distant 7s(aqi;xlrfuq+ oy96objects 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 pow79+2y kczo i/z 9ddvp6xt4e xder of lens should be prescribed if the glass is to be worn 1.00 cm in front of thep2 ocd76xi 9 y+dk9/4ztxevzd 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 -0.1g 6-x dwfz4 sv(kj+s-o,/nj fx5 D. What is the person's far point if the glasses are very close to the e+dn,jfkw/ xo jx-gzs f(4v s6-yes?

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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 correc dt6nqo ki opu...8da(t for farsightedness where the uncorrected near point is 75 cmiadqt nu .( opdo8k6..?

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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 readuh.xu u:3er9;:;.;wh ngsy hnoxnq 3ting glasses close to her eyes, and with them she can comfortably read a newspaper a:gw yx.ou sn;.n33hx;;n9u:reh tuq ht 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 eyes, if heo k uer,blas*6l8 5xh37c6ddak 1q:rw wears glasses ofkl67b ,h:eck6xa u ldd1rro5aq* w38s
+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 near point of l(5k(b ugwnj83p gyy225 cm. What is the magnifi up((ky5bwjly g n3g82cation 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 length oeu1hmjf/ 6of2 f 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for u 6hf2me1oj/ fthat person 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 7.0 cm. What is the magni-tikh9jjwgv6 ;v5zjk5/ mt;d.u s7g zfication if the image is viewed by a relaxeh; 9/w 7gkjstv; 5.kju t dv5g6izmz-jd 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 focan-4aaz i7w rke (m.k7r8m9hxel length 5.0 cm as a magnifying glass. What is the maximum9(xiharea4-n8w7. mmk7z e k r 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 magnifyiw *o ud/4wrht7ng glass. What is the magnification if the person's4 ohwd* 7ut/wr 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, 4gau h+k(4ld -x,0zh )qvegy)g.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you could achie)a lzg- uvg(hhe +)gy04qdx,kve?

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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 cm, 8.yc9myr a.rkovlsm, hh73w;3(0 cm, and 16 cm. If you were to use yrh9 h,3vmoc sym(.;ar k7w3l any two of these 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 length lc mp +35scrjew oyf0p6 j*j.q7qcx9+of 200 cm and its eyepiece has a fc*jmx9q sjo6r w.ccp3f7ejq 5+0 pl +yocal 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 ;z lm0xwe(v j-telescope with a magnification of 10. If the telescope has a converging lew(x0l;e-mj zv ns of focal 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 kj(wb a)c: amm (qp+0castronomical telescope with a magnification of 10. If the telescope h m:pjb kc+aqc( 0(wm)aas 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 telescn0ny3q3qedncc z 7f z:nc9.k*ope. If the telescope is limited to a length of 20 cm,k 3.9 y3n :z7c nzecnqdq0f*cn what is the 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 (i20mpt c:hyc lens of focal length 1.4 mm and an eyepiece of focal:p cy (0tci2hm length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 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 an eyet w rv8xchd3eyc7/n//piece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 tcx8wch/n3 ed r/y/7v 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 4whfxec 1l3g)l q-k j:tp :mf.mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnhg- 34fex:kl:wqj 1 f) tc.mplification?

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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 yk742 x9lusliobjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification ofxy i9u74slk 2l 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 a0o:vm xzwd-j 5ngular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just reso5mxd:0 -wo jzvlve 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 w ,v00qsvz cw,je; jxd)hich are 0.010 mm apart. Ifs0d)ev ,w;j, qx0jvzc the focal length of the objective 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 n:: tb8**bz vftj-bml3.5 mm to 1.5 mm as the illumination is increased. By what factor does the:b :jtlt-* bbvmfnz 8* minimum angle of resolution change?

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  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth o;,dntd;x afo 2rbit by the space shuttle. What angular resolutid,d;ta n; f2xoon could this telescope achieve if the wavelength is 500 nm?

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