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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://autoconfig.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://autoconfig.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 shutteq0u,kas gy,g* r is open and the film is exposed in a camera is determined by g,*usgq ky,a 0the

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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 camerad) notggzliqk- )6(t 1 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 distanq0rw-9mlbrgiaxb..e q+t) n 1ce may be varied by sliding the lens forward 9+- qr0bra.bnx1wqm)lgei. tor 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 that corc2*jq( xq6lfhgj. b*vresponds approximately to that of normal vi6qf qlbj* . j*2gx(vchsion 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 magnify4.ipfqujrnk8a (fx 5 +r5lms9 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 that of tv o5)8:rqn czut6z fa6he eye and through which oocqfarz6u58)v 6zn :tbjects 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 a47 xhfw0h doj1s 3i;4g8a*t5fxmir nways 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 the eye occ84+fsuew m 2.ozm0 hxqurs 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 whicjn+q )o5.ay-iyk ,oj mh an eye can see 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 distance ah9 )lwc7d, useqah 5p5t 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 too long from front to back, thez5 :cbvb it;qh4e/y+ xan6m6t person is likely to suffer frme nya6v64tqxb h : i/cb5z;+tom

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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 co q tdye92e2z3krrected 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 rib4.dysh a xxlnwx09 ,/se to a vision defect that can be corrected byxh,b d4w.ysa 0/9lxxn 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 badwu )8i/pss 8f4b9wbj7z 4hmr;ycv (bck, the person is likely to suffer fromz mjwryc84i 7(psbu);fwvd 8shb94b/

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually c+kh9r h8cpj 4be 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 front to back, this gives .odum,e bi. -bta5q1f:n8svx rise to a vision defect that .mxub,e-dna .b:tv81sif qo 5 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 glw7 6+8avh /einnyk uw;h xvo-8ass?

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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 large diameter objective in an astronoxwuc tah2i2oo7 aro7z; 9dds.3+w sf5mical telea3hrtw os;a cxzf5d7 2o29.s wio7+udscope 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 refrackx.(d z )l:s3nxuk .i+kui6ziting telescope. Suppose an opaque screen is placed in front of the lower half of tliu+ ki3zkdszi:x. n .6x)ku(he objective lens. 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 used has uniform5zrqkxj( 6m, r sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stqmjxrk5z,6 r(ars? (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 magn4q j3y.krayr 4lzhe 66ification $m$. 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 b w6z ij24dvek9e able to see the greatest detail when using a microkd69zvje2 i w4scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffervh 7a/ lpdve-u5r 6.uof:k: nn from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff- zbep4,isz3 aqo91npx; sf *mer 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 a micz) q1f) bls.d8uc/udwroscope 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 it u2d30 9oo*xvuu8zudduto5l4udo 2j4 s resolving power assuming that all other factors remain unchanged? Its resolvind4d98 d42ol3ju2oux50 ou zdtuouuv * g 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 poikqu4 00cmwzf8; n) npux a+*pant of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly8p0+ u czwmpk0 ;nua*4naxq f)?

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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 mo5,fk /0 zwlyk oadld/3re than 70.0 cm away. What power of lens shoul ,z0fwdd /ak5lly k3o/d be prescribed if the glass is to be worn 1.00 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 powergt6/iy)zyp8 kq6 k x6d of -0.15 D. What is the person's far point if the glasses are very close to the exk/d)tqk66gizpyy86 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 cor-+i /n2aqng z8togblvv3rflz1yu )u, 7c(k5u rect for farsightedness where the uncorrected near ( ilul)knzgqvtbon1u -5f72 yu/ avrzc+,3g 8 point 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. She pt xj jwn5f2)n7laces reading glasses close to her t57 nw f2jj)nxeyes, and 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 cm from his eyes, if he w3 fc:y5j8bbj *ul /labears glass5l/ :j 8j*ba cybl3ubfes 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 perw*2ju9 ypkdh4son has a near point of 25 cm. What is the magnification of the lens for that person when their eyesudy k*hj4p92w 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 point of 2*z a5zfni xq45gygv4m5.;bcx5eu( c vw/xw.j5 cm. What is the magnification of the lens for that person when their eyes are focuse 4gcjf4wwgxu.x5(5a;z.mvne *bzq v5i5xy/ c d 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.u+d9efp x- (83rh lt/kd48 hjgbgcl0x8 d/b ns What is the magnification if the image is viewed by a relaxed eyr /jtlh 9/4dk fugls-n (h83begx8bdxc+0 pd8 e?

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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 hixwqnjc2ddxxl-a; 8+1 y5 .d.0 cm as a magnifying glass. What is the maximum p x 1hx 5d wj.n;c-d+dqxa2li8yossible 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 9 tfyrqcz:4+lt8m tj- magnifying glass. What jtqm yr ztf-l 49:8t+cis the 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 lengthid: k.ddmpf/lo4nj ++*yi 1 1xyszwc -s 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 is+joy- ici 1s*d.4dnpl1 wkf d m+z/xy: 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 cm, 8.0 l srf+o..*jjn9sx 9dv:ws5gnfv q ,c0cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what s5rd*f+ longjxf wv09sqc. ,v j s9.n: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*bq.m zllgn,;e y6q zpt ;2i/f length of 200 cm and its eyepiece has a focal length t;;*peg./6lqz inf,yzmqb2 l 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 telescope with a magnification o3t ffiwvba +2r h4**z8wh,kjpk4ak +ef 10. If the tevakaehf*ibftww p jk4++h, 3r82 k*z4lescope has a converging lens 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 astronomical telesct vp:)p+hwv m)6pzyq4ope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telescotwm+v6 z )v:hyq4pp) ppe?

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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 teb *ej65f bu79bqc /tqrlescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of t*b7ert ujq5f/bqb 9c 6he 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 and an eyepdm-3bnfb2 h i905gi/ras pf*iiece of focal length 20 mm, adjusted for minimum eyestr bh3a2g i0*fdii9bm s/p-nfr 5ain. 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 7zmq-/aj z8y, 1xyoan 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. What is the overall magnification?y /n1xj yo7 8z,amq-az

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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 3w-gyf7 k 9 tn11gfrqmobjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4- rg 7f1gm3k1ytnwf9q 0.0 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 anc75 /vpvpq.lg8ioaoh+)m 4 hg objective with a focal length of 8.0 mm. What is the focal length of the p+o4mh i8ogq5pc/g).havvl7 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 har:w; ng .7elmca1e-+i oopg i9s an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the swgmc:-o le71r;+p9ao n.ie gimallest 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 desig 3duvo;tsl8*i uq(v 1xned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4so 1*iuulvd( x8q;tv 3.0 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 mnjik*fc0fz - z ( h.d 5zfrzccmai,;6,m to 1.5 mm as the illuminjcrfhkzdz , c;.z*-n(5cfi,za 6mf0iation 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 Telescopfv; cflqwc3-cy q 8t93z(qhp3e has been placed into Earth orbit by the spacqz39 c y fvct3lpq8qh-;c(3wfe shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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