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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 shutter is open and the fi ,;r(gfr pkdxe idiz,abj* *-:lm is exposed in a camera is determined byg *k*,e r fz(a pbj,iiddx-r:; 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 ihqe6j h2(pyxh(9ys p(n 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 3bizdpp fy;(h36b. guc vz)*9c*qrtp may be varied by sliding tr.)viy*du6 9tpg*;zb(c bp3 zc3fqh phe 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 wy4wjx ,)q3a p8m.emqo3qez3 a field of view that corresponds approximately to that of normay.ww q 8) ,mm4xqjao3z qep33el 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 images is refecop q5e meb-luv3/)3 wrred 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 vf5nf10osma9 h iew than that of the eye and through which objects appear smaller is ren 5ah0ffo1 s9mferred 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 camerag p/v-c .-eix5pj jo9h 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 occurs 0k 4pj l1qcm9cat 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 w:y(ico+dw lf5bum pzwc( (8.3. kwkh 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 at which an eye can see k 0j 13w-kla2tn0r 5jm wmx/gpobjects 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 person is lik+ tp9bsubdrcixxj*s6 vp,( 6my7)v8d ely to suv8dp7py x,s*rs6) 9(6i +jb uvcxt bdmffer 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 bbx d 6f/vts 132/rorxr md8p(rha /9vje 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 frov yb8fky.g7 zrc 8w0. ty:okb3m front to back, this gives rise to a vision defec. tzbk.3r y78gfyobc8:w yv0k t that can be 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 shoh(c5lh71(vwar xfop: rt from front to back, the person is likely to sufl1caoh(fphx5vrw :(7 fer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usrfq gz):dsik) e h;+6rually 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 fr 0fkyetct 2 hd7ubp7 vov-//z-ont to back, this gives rise to a vision defect that can b-bpyozv u/ tc-h/ 7ektdv720fe 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 magnifyi7 z7d80ur/cy,dg: k qye crm9bng 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 very large diameter objective in an astronlqg)ty9xssc49ei*c p:9 n i m pdtrc9;2-fhk (omical telescope irnmd9 cxs(i2yi9 ;cfcegs tk*lq9-9:pt4 p) hs

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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 bhukha 5j)5o+a y a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect wilouh5+k a5hj )al 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 througho,7 awo qbcbg2++a sl4rut the visible spectrum, in which of the following cases ba+7s,l+bw o 24g aqcrwould you be able to best 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 has a ma4m c/ hr atha,h )iqn1ip2d;w;gnification $m$. 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 j b i;8) d9cjyc;pe+lyo)qm6pfhs4g2see the greatest detail when using a microscopeijf2chgb4jopqp +y9)d;l8;e 6 c)m ys?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from m9hhb/t6c0bp

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frof mv,wcd2u2d 9jcxn7)sggn ,+m

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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 abitl zqbh (91k8ulity 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 d0n )gx 9uhhx6 ,lrr/hqish is doubled, what happens to its resolving power assuming that all other factor9uh xrnhl6qxg/)h,r0 s 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 lens (i .nl0hgd e; m0lkbku6i;fh2 2on diopters) will allow thhfb ei k;0lkhmgl6o02u.d2n;is person to see distant 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 powewatxuh2mvwj,a5 h39. r of lens should be prescribed if the glass is to be worn 1.00 ,w3w2. xa hv95jtmauh 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 power of -0.15 D. 8kz*p qbn*, (7wkv )u2fwhngi What is the person's far point if the glasses are very2(n*k v7i *)g u pfkh,bwq8zwn 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 farsightedness where the + +tc+z dz+ocpuncorrected near point iccdzzpo+++t +s 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 places readinw xn *xlft76i)g glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens xiwx* lt6)fn7 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 jpwlixk3 *ca :hqs qj1b3wnw-3 :60 hsheld 25 cm from his eyes, if he wears glassp33laxsj0 c qi 3q wh:-6jhw:wn k*1sbes 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 near poimy zx*ffs*-ifw.wc,nh 4-+ nwnt of 25 cm. What is the magnification of the lens for that person when their eyes are focused at *f-w-yws4, .m +*f nhwfncxizinfinity?

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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 focaksn b604-qwdx l length of 10 cm. A person has a near point of 25 cm. What is the magnification of the ln-d0swb46 k xqens for that 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 7y7y3f7m9,f( pakn sfe .0 cm. What is the magnification if the image is viewedmpk(s,y y9n73 fffa 7e 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 dsr f2 sru f *+j7kqido99s3u7focal length 5.0 cm as a magnifying glass. What is the maximum possible magnif9rs+jo 7r f39d*s2 7fuu sidqkication?

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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 lenrxdr*,a z5 )sbgth 5.0 cm as a magnifying glass. What zr5br*)dx a,s is 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 le j wtro).wa*day-7t9o :7z )huwmj,d ungths 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, wha)wy7)jzo aou. dm7:,-rawhutdw *9jtt 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 f i3kvvu+l(4tr ocal 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 is the lens separation for the ma4lvivk +(3ur tximum 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 len2 x;8/ibh vnfwgth of 200 cm and its eyepiece has a f f8/wv hnbi;2xocal 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 astru cmm tjr*1issu t/6+;onomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece+i s;1ctj*su/u tr6 mm?

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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 telesle4d,,f *pap/nsx n4v:pj;wccope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resultinn*,pfvpdx,nac4/:s 4jw lp;e g 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 teles m7h:-1bu ty wtpajd7 o-.zt20xz;dq ucope. If the telescope is limited to a length of 20 cm, what is the approximate fz -mawutzp .0yb :7tjdxqt;d72u1 h -oocal 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 lengt-l0yn mam 2 -hmusjr94h 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 apart are thenmjh0ay4m-- l9 2musr 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 eyepiece of iqrrgo+j+jqbtfq 7(6 qrs630 focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overaljoi r(03qbfqqjs6+ t7r6r gq+l 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 wi:zz ki t i59evdy:q)bp -v+-rqth a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by y dz)-5v:9:vrk qbz-epiqi+t 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 12l))ixy0i f. zpgcdfhas a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of )x0i1 ify p.l)cdg2z f240?

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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 Ori(o.8mehasi6r6, sq gas;bcf4on has an angular 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 rcb segsq(i .;o8 ,mr6 hasf64aesolve 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 objec 96eu,op/p zm*fo ; pdg rp1be*b7i2rgts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550rp /f eob 76erpg,1*ob;* zup dp92gim 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 diameter643ae-q*f5 h fm . fjj.wsobtw of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution chang 4.twf sjjh-f* ebq6fwao3 .5me?

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  The 2.4-m reflecting Hubble Space:ty-maftj ndg- or:i/5+f0ma Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve i t-r5:i0mdg+a :/a yjtffo-mnf the wavelength is 500 nm?

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