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习题练习：Physics Unit25: Optical Instrument
本Practice来源于WebAssign，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 324 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://webassign.org/test324.html
 作者: physics  发布日期: 2023-05-01 10:01 

答题人: 匿名未登录  开始时间: 23年05月01日 09:35  切换到: 整卷模式

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1#
 
单选题搜藏此题  
  The length of time the shu 9sn:7* s bag5g eb9p8bdz2xtru-gny/tter is open and the film is exposed in a camera is determinesne9g9 rb7byt /2b u ns5g8-xz:dga p*d by the (1.0 分)
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2#
 
单选题搜藏此题  
  The amount of light reaching the fi 2n(yu3nib wh2u0 ug;tlm in a camera is determined by the (1.0 分)
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3#
 
单选题搜藏此题  
  In a single-lens refw 8d wgny0.3qmlex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to t d.mnw83q w0gyhe camera housing. If, with such a camera, a fuzzy picture is obtained, this means that (1.0 分)
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4#
 
单选题搜藏此题  
  A camera lens that covers the film with a field of view that corr0;i;x a /-qbkekk h/uaesponds approximately to that of normal vision is referred toaeaq ;kk/;ikhx-ub0 / as a (1.0 分)
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5#
 
单选题搜藏此题  
  A camera lens that acts like a telescope to magnify images is referre crv;;5k.lcv2rgeju: d to as a (1.0 分)
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6#
 
单选题搜藏此题  
  A camera lens that covers the film l.v : :t6q4 w h3jhu.yxowyx3fwith a wider field of view than that of the eye and thxt6yf4xu :.jvqh w .:oyh3wl 3rough which objects appear smaller is referred to as a (1.0 分)
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7#
 
单选题搜藏此题  
  In which of the following wag c,dje.dl*w+ncs0v 2ys is a camera different from the human eye? (1.0 分)
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8#
 
单选题搜藏此题  
  The principal refraction of(e j tou j4*pw*,l,grv light by the eye occurs at the (1.0 分)
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9#
 
单选题搜藏此题  
  The closest distance at which an exh3eu 2 ctn5,p2awiq 2ye can see objects clearly is (1.0 分)
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10#
 
单选题搜藏此题  
  The farthest distance at which an gb(ld- 7; qc sp;saf:seye can see objects clearly is (1.0 分)
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11#
 
单选题搜藏此题  
  If a person's eyeball is too long from fr6h5 +i:osruaront to back, the person is likely to suffa h+6ruis5:orer from (1.0 分)
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12#
 
单选题搜藏此题  
  Nearsightedness can us i6; n/cavly-sually be corrected with (1.0 分)
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13#
 
单选题搜藏此题  
  If the human eyeball is too long from front to back, this gives ry-(7fpg+ mjr6z)u0m b*ywqu: ers uk,ise to a vision defect that can be corr:p0 je)g7,yym -fw+ubu*rs q( zumk6 rected by using (1.0 分)
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14#
 
单选题搜藏此题  
  If a person's eyeball is too short from front to back, theijss:lwwn w/tr89qr br 0 o:2/ person is likely to suffer frrjoni:r wq9tb/s8w / w2:s0 lrom (1.0 分)
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15#
 
单选题搜藏此题  
  Farsightedness can usually be co*o mq:-hvznh6 k3uue pb46li+rrected with (1.0 分)
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16#
 
单选题搜藏此题  
  If the human eyeball isi +ore dymm:2+m )z+le too short from front to back, this gives rise to a vision defect that can be corrected mm +elmer+iy):+ oz2d by using (1.0 分)
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17#
 
单选题搜藏此题  
  What type of lens is a max-wudamxje405bcm s8w cmju1 o/)9e.gnifying glass? (1.0 分)
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18#
 
单选题搜藏此题  
  An important reason for using a very large di v6c9eed0 znl45jk8xm ameter objective in an astronomical 0ele45x k j9mvn8c6zdtelescope is (1.0 分)
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19#
 
单选题搜藏此题  
  Consider the image formed by a refracting od op;o ky0x-xq,c00c telescope. Suppose an opaque screen is placed in front of the lower half of the ooqpcd0o0,;c kxy- xo0bjective lens. What effect will this have? (1.0 分)
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20#
 
单选题搜藏此题  
  Assuming the film used has uniform sensitivity throughout the earhrzq -e8lzm( 0*+e visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to is the objectir emql -haz(8e+z*0er ve lens of the telescope used.) (1.0 分)
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21#
 
单选题搜藏此题  
  A refracting telescope has a magn bzqiwke)2om5o1( u 3cification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification? (1.0 分)
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22#
 
单选题搜藏此题  
  With what color light would g .feveg /p- r:ynql-noszi)/1) (adowuq47wyou expect to be able to see the greatest detail when using a microscope?g e/ ivwons ul w/gpd)r1fao-:e 7n)(q-.qzy4 (1.0 分)
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23#
 
单选题搜藏此题  
  Spherical lenses suffe slna75ium(-n(q tdnoj+se4( r from (1.0 分)
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24#
 
单选题搜藏此题  
  Spherical mirrors suf* so ,oir*k;yg4:r zjnfer from (1.0 分)
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25#
 
单选题搜藏此题  
  The resolving power of a miccvx v qw g+mg/zfl(s-6d7;5 flroscope refers to the ability to (1.0 分)
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26#
 
单选题搜藏此题  
  If the diameter of a radar dish is doubled, what happens to its resolving p06sjykr* ul swd*; a0nower assuming that all other factors remain unchanged?kjsn 0 0u;slda *r6wy* Its resolving power (1.0 分)
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27#
 
单选题搜藏此题  
  A near-sighted person has a far point of 18 cm. What lens (in diopte8s38t3l -vr .fkw-zsesqf mn .rs) will all38s. s rznkfm-e3-vfs. lqt8wow this person to see distant objects clearly? (1.0 分)
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28#
 
单选题搜藏此题  
  A person cannot see clearly objects more than 70.0 cm away. What power of lens fho1e5 non4al)+ik2 d9l3d ylshould be prescribed if the glass is to be worn 1.00 cm in frn1ol5l24) n dae yd9oflhi3+kont of the eye? (1.0 分)
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29#
 
单选题搜藏此题  
  A nearsighted person wears glasses whose lenses have pow-gjm ,u1a ejfm6lof9-er of -0.15 D. What is the person's far point if the glasses are very close f-l em9m-6 ou1 j,ajgfto the eyes? (1.0 分)
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30#
 
单选题搜藏此题  
  What power lens is needed to corretf.b)dc3tgc (ct for farsightedness where the uncorrected near p t cd3cg.b)ft(oint is 75 cm? (1.0 分)
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31#
 
单选题搜藏此题  
  The near point of a farsighted person is 100 cm. She places reading glt1rq01 oacab(0zmni -0v a4 wjasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 2 w4i0 m0 cvat0(-anaq bjz1ro15 cm. What lens power is required? (1.0 分)
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32#
 
单选题搜藏此题  
  A farsighted person can read4u0p/e c-0yydl2cjdb a newspaper held 25 cm from his eyes, if he wears glasyeydb -0u/clc20jp4d ses of
+3.33 diopters. What is this person's near point? (1.0 分)
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33#
 
单选题搜藏此题  
  A magnifying lens has a focal 6el-twrq rt s*9r6rc- length of 10 cm. A person has a near point of 25 cm. What is the magnificatislrq-e9 r6rct-t rw 6*on of the lens for that person when their eyes are focused at infinity? (1.0 分)
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34#
 
单选题搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a near point of 2 kt;a9jvae y475 cm. What is the magnification of the lens for that person when their eyes are focused at 7a4va 9tj;eyktheir near point? (1.0 分)
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35#
 
单选题搜藏此题  
  A magnifying glass has a focal length of rfwc xby8; xwrjf:4.,7.0 cm. What is the magnification if the imag8xy.cwrj:,4 ;bw xfrf e is viewed by a relaxed eye? (1.0 分)
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36#
 
单选题搜藏此题  
  A person uses a converging lens op4ff5z.rfc97o bx k6bfyl : +wf focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificat6 f z9+r7lf:f.c kxpb5f wyob4ion? (1.0 分)
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37#
 
单选题搜藏此题  
  A person uses a converging lens of focal length 5.0 cm vsf5u rz6r/:-.rg aypas a magnifying glass. What is the magnifiu5 rzvr. -6gasy fp/:rcation if the person's eye is relaxed? (1.0 分)
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38#
 
单选题搜藏此题  
  You have available lenses of foca;*z udlh1 cm u-mvp2f-l lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any mdlhmu*z-vup1-;f c2 two of these lenses to build a telescope, what is the maximum magnification you could achieve? (1.0 分)
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39#
 
单选题搜藏此题  
  You have available lenses45m -hi1-z*syfii tmimap6f) xs4t ,mz0y /jk of focal lengths 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)f,5zzi16t/4-f - aky i*ysmxijmst4mm0ph i is the lens separation for the maximum magnification telescope? (1.0 分)
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40#
 
单选题搜藏此题  
  The objective of a telescope has a focal length of 200 cm anzj5x8v b/id/k/i mms n39l9mv d its eyepiece has a foca mvnm/ /zl /k98sjdi39vi5bxm l length of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity? (1.0 分)
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41#
 
单选题搜藏此题  
  A student constructs an astronomical telew5: hh o( stybg/-kwgjs;3elf.5ph 0tscope with a magnification of 10. If the telescope ha3 e5sp/s-fb tjh(o5kt: h;w.g0ygwlhs a converging lens of focal length 50 cm, what is the focal length of the eyepiece? (1.0 分)
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42#
 
单选题搜藏此题  
  A student constructs an astronom;89h ntwv)aw eical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of tn; w 89e)hawtvhe telescope? (1.0 分)
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43#
 
单选题搜藏此题  
  A person is designing a 10-0n p) -sml dgxuec1lq,l9 yz:; hn.(jhlg r1tX telescope. If the telescope is limited to a length of 20 cm, what is the ahl,j-c:n0-h1rylpt uql d 1l)(gg nz;s.xem9pproximate focal length of the objective? (1.0 分)
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44#
 
单选题搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and bv;yn: e6vs jo1q.dj j/)x5aifa i 2r4an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far ao .syje6dj jivb)aq;vf1r :x5/4ani2 part are the lenses? (1.0 分)
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45#
 
单选题搜藏此题  
  A microscope has an objective lens of focal length 1.4 mm and an eyepiece of focw)bub, b9r7weal length 20 mm, adjusted for minim7b9w)bre ,u wbum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification? (1.0 分)
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46#
 
单选题搜藏此题  
  A compound microscope has an objec(f18h hswh14 9fxa mg-wa2bm ftive with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4mgfbx1f 2 9 -m hw41ahf8swah(0.0 cm, what is the total magnification? (1.0 分)
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47#
 
单选题搜藏此题  
  A compound microscope has a 18-cm barrel and an objective with a foc 6cx+dv 5dllp(q5r mt:al length of 8.0 mm. What is the focal tm5+l l (:d5 cq6pdxrvlength of the eyepiece to give a total magnification of 240? (1.0 分)
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48#
 
单选题搜藏此题  
  A binary star system in the constellation Orion has an angular separation ofcnh88cp m hu/ p-oy)9l1uefa eo9py64 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 resolve the two stars?eao4/hplm8819f-cpuh)9 p 6u e ynyoc (1.0 分)
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49#
 
单选题搜藏此题  
  A compound microscope is designed to resolve objects which are 0.010 mm apartc6..p2rfbp. u) lqt 4d xcao+t. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of tp+tb.r4oa..2dtcq pu cf6x l)he objective? (1.0 分)
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50#
 
单选题搜藏此题  
  The pupil of a person's eye changes from a diamewnm;m:pu0; e hter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolut:u em0w; nmh;pion change? (1.0 分)
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51#
 
单选题搜藏此题  
  The 2.4-m reflecting Hubble Space Telescope has been placed into Earth orbit by 9nyt , ( zixc+ke; zc0s a-oizp0k+k2xthe space shuttle. What angular resolution could this telescope achieve if the wavelenxoczsi- pa0+2k,zz;n0ik xk (t y+9ecgth is 500 nm? (1.0 分)
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