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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 (z+ pag+e7)u4uo 9ehhwhtb 03tnd rt:is open and the film is exposed in a camera is determineh e pt+0we:rhb+)adotugunt9374zh (d 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 detehnu4n2kb1,le rmined 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 variebo8 q5 c(lzf+ 1dsjhx ;,qg/wrq6xi9 ud by sliding the lens forwa r58xqgdh;z (sfw9q qxojcib,u 1/6+lrd 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 viuz bgx wf*p23f4)ic*wew that corresponds approximately zuw4 f2fbc)p3i xw* *gto 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 images is referre/0.,y jxdam/k4yag3luc n fzb 4, b:odd 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 fwuqv8/y * 2bwbilm with a wider field of view than that of the eye and 82/uw by*bqwv through which objects 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 ways is a camera different from t(1.usb4aie*x9pn g ok*+97e e qdpsghhe 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 refractt905uq mvhainb +iiu3, t9cb.ion of 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 distanceg 7zz a5tn;2p3.yuf ea at which 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 objts8b2grt t. d3ws, x8b3pu u2kects 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 bl2s0w,+f z6e qybhal(5ljw.s ack, the person is likely to suffer from0jls zqw(s6b ef,h wy+ a.l2l5

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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 correc3im 7 ik6dsjg/ :5lyrgted 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 longt:1t ht,nra9 t from front to back, this gives rise to a vision defect thah9t :tntar,1t t 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 iv 6dh /ts g421fpyhnm0s too short from front to back, the person is likely to suf hn1dyh4ps gvf /t026mfer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually )ab2p.els 2slbe 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)nxqw6;y5 i.asi6fwz gives rise to a vision dz f5s); wxi y6a.6inqwefect 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 magm :n- 0wp2slklnifying 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 ukmyb uz/c(flv e1,+oc:;l,f bsing a very large diameter objective in an astronomical tel+fzm;/k elb, fc c:(,ubv oyl1escope 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. Suppose an o1(prgz* rjfylt ogj ,p4o jpc8)n5:;b paque screen is placed in front of the lower half of the objective lens. fcj8z4:bgpn lt o1yrj 5 g);jp,o (p*rWhat 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 uniform sensitivity througzl av fzn0. x7/t9yg/hhout the visible spectrum, in which of the following cases would you be able to best distinguishf 9.zhan xz /y/0lvgt7 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 hasks y-qy8dvl9e izv ,)*bah*2j 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 wcmf h: jgeo m8s7rq4.(ould you expect to be able to see the greatest detail when using a microq(c.: srm4jf og h8me7scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff*oqr-f 9w2 euxer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frb)g a;i292 /hlgn0bzhb jg*ehom

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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 micro mz id6;p/e eb4ah*bg:5w .afj0 gswa;scope 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 its resolving powem: ;.jlhrkksze f/+:cr assuming that all other factors remain unchanged? Its /+::chkkr .mljszf;e 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 (in diopters)q7/zf m:o: gm*umoky 8 will allow this person toum:mzg fkm/87o*:q oy 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. Whq ix2m*n)n:oq(qh)v hat power of lens should be prescribed if the glass is to be wor2h q )qv:i qn(nmh)*oxn 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 personaqu4v xoka f4:1w.6mo wears glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close tu 1 k6wxfoa:4a.4vqmoo 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 corky39/-ra tk-y iuii,xm*w*q5u 3mria 1tii q(rect for farsightedness where the uncorrected nea- ri3m1uq3,* (mk ikaaixr5/itq u t*yw9 -yiir 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 places reading glasses cva q++9 iw ws:cgdu*y*lose to her eyes, and with them she can comfortably r vsdg+wc* iu*:q wy9a+ead 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, 7uoq 9,w qkk58:aysnbif he wears glasseo a,y8:kqkn7qu 5bs9ws 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 focal1io e.d lafc xh g:44vr68zdn0 length of 10 cm. A person has a near point of 25 cm. What is the magnification 0he6ad.xz4r4nvf1 d g lo:c8iof 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 fos 38fxtgq9 +zocal length of 10 cm. A person has a near point of 25 cm. What is o+ sqf3t9xg8 zthe magnification of the lens 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 7.0 cm. What is the magw(/3qd xo1fh,e, mzz 5 faplb,nification if the image is viewed by a rm5 fz,owa 3fhl( ,/zq,1dbexpelaxed 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 length 5.0 cm as a magnifying glassa/z: a w-jk6spt5e0 jw. What iw-tj5:e jak 06pwasz/s the maximum 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 6isc78 gnudco/vz(-9hkp:z zmagnifying glass. What is the magnification if the person's eye is s (czcz 7pn6g9h/:-dv8z ouikrelaxed?

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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 t*udjs t)f35zf ) jo1xlengths 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 the maximum magnification y )u*zjt1d 5fft xos3)jou 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 0b/kw4bcx..fnatgih naf7:k9e: :ta .0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is t4a:0nc9b natf. ki7 xht:b gk:.feaw/he 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 of 200 cm and its eyepiecweyd gi1///jf+lf x .ae has a focal leng//+gejf 1d yi .wla/fxth 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 magnification34 8gdnunea* q of 10. If the telescope has a converd8ae34* gqnun ging 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 telescope with a magnification of 10. If thhdlqm2t: bz7) b: u+;cxisj ;he telescope has a converging lens of focal length 50 cm, what is the resulting length of the tebslu: mh+it7hj:; b)q x2cdz;lescope?

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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. If the telescop.qc z2qk91f.vfbcgb*nm x-0f fj: u t:e is limited to a length of 20 cm, what is the .c-:ff* bm 0k z1bq f9ngc:.jfxtuq2vapproximate 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 lens of focal length 1.4 mm and an p6tqgr+kuo)(5r5t*l-zyp1e1ople i eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed5*6 lit1pk pe)r5t-q+gy1 r (lzouope 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 eyepiece of ge j+xz6c9u: lfocal length 20 mm, adjusted for minimum eyestrain. A blood sample is plaux c :6j9+gelzced 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 with a focal length of 3.00 mm and an t ,7xgo,; dz5pdnc rv,eyepiece of focal length 6.00 cm.5 ,tp,dc;d v,g onx7zr If 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 objective with a focal leng/ttpk:a83ilkn:t)6j l+b+ ut- uuzxcth of 8.0 mm. What is the focal length of the eyepiece to give a totk/-zpn+ bttu)38 :luu :6lik +actxj tal 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 has an angular separation ok/5e7lsun9; 7amt-bggl)r r (j 6iqtb f 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 resolvteab(blj6r qr tsi9 )nu5g m-;k 7/l7ge 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 which are 0.010 mm -225f;2uxmozh0+s c sf3w nn7vavjfoapart. 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 th so h3+o awcfs ff2nmzun07 v25j;vx2-e 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 mm to 1.5 mm a8rs -y3n3 c2;k w5goqg*xutkj8da+ems the illumination is increased. By what factor doq- *3kesa g+ c8ou w5m dn3r;2kxtgyj8es 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 Telescope1(v nyn as176eqirt,ar+ lc8w has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength iqervnc1 a1s i8 ty6+,(wrn l7as 500 nm?

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