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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(w.qc5i; gexk exposed in a camera is dek(.q gecxw;5 itermined 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 filn+umrcnp1* -( lp -awjs-r/zk m in 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 may be variegn5c 5ai zmk/vhr l qz1ga2*+3d by sliding the lens forwamzlq2k a5h+/in 3 z*cgg1v5a rrd 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 5c e36z7fc7 b uitq7wvthat corresponds approximately to that of normal visi3et7icf7 6b5 qu7zc vwon 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 actsa u0fta sg),)sqny(2q like a telescope to magnify 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 d7 7wzxinh* 7f wider field of view than that of the eye z7 f7xihwn7d* and 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 t6s od66lh.+wsyow x*iq9vm 1b he 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 ofa.ax l a;t7f;b 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 objects clea8 7g; gqgrmr6crly 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 8 n4jgl1*p0lobe v(ut9 i/wqz at 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 frk-u.ojb55nmupuw * * fom front to back, the person is likely to suuu *b* 5n 5ku.-jowfmpffer 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 be correctm )urj -f fi0ww0-6vobed 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 fr :qivv 7r2*9dbwf+rps 1lk7kp ont to back, this gives rise to a visionr 7w1s2 kf7r v*lip9:dbkp+qv defect 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 short from front to back, the pe(yqu72hosg3i rson is likely to suffer fromsq2g3yio(7uh

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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 correcg n5iojos(,m+e, 9wa tted 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 .vl8yx5sc)whf j -e)xto a vision defect that can be corx-y lcv5x )8 sfhjew).rected 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 maf6 wk /sc ++fos0zjpm5gnifying 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 usingfaa t yds 5uq5g.8+7ikj+vd+b a very large diameter objective in an astronomical teleayg+a +vksbd+dtuqj5i 7 8 f.5scope 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 opaqu+qz o 0 8hd-:pnyqptd-e screen is placed in front of the lower half of the objective lens. What effect will this -tydpq0q-8+ :dpz onhhave?

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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 wt;b ajrl9.h ;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 objective lens ;b jl9ath.wr;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 n8ezq 1epc;grl l+h bp;l)20fvsa4 /1vajib ,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 ja0re5zu:vi l1ui3 4/trv h t-you expect to be able to see the greatest detail when using a jt 1tvzl-r:i34v /eri0uah5 umicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromxpua;7r1 gn.k

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf2aij/ p ;hnnh9 x5hy ,o0+fwzsfer 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 microscope refers to the abili(4 fys1vf+ bqgvqbc(q:fs 3h s./wb-lty 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 resolrul;,hzeq.utcfm f db 54o;,)ving power assuming that eld q of5zmf;bh.,u )trc4;,uall other factors 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. Whafj3ju;cbhc/lu- :pn .mn: kr-t lens (in diopters) will allow this person to see distant objects; bccnj3ljpr -hm.u/ku-::fn 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 aw8dcf nhby es+q6, bxi:jocd:/1f v)j(ay. What power of lens should be press cd:: f,1jyivbn /jhbef )8(+dxqc6ocribed 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 power of -0.15 D. What hut3f 07sj(56v , wdv iz2rdajis the person's far point if thej7d i,ar 2jh5 zv6twu0fs 3d(v glasses are very 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 rad)2lk 3h;zht +hu *ycorrect for farsightedness where the uncorrected near point i+kl3y a r2z;hh hdut)*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 fare0 , ojw *bko080gcfuhsighted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dist,ouf k0*0ej bwghc08o ance 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 +wxp;*yg: dkea newspaper held 25 cm from his eyes, if he wears glak+gw*e:x ;d ypsses 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 nearizz v7mk x)zja. r73sby;2z11 wdz;es point of 25 cm. What is the magnification of the lens for thamz x rz7; s7zkazs.z w12e;1b )vi3dyjt 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 o+7yu )z n:5nzzro6 bhcf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focco: 6zr+uy)5 b7nznzhused 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 5htsw vhd56 )maidivy9w:3;k length of 7.0 cm. What is the magnification if the imagdhw5s5y96itwkv3; hi :a dm)v e is viewed 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 focal length 5.0 cm as a magnifying glasf;t/e/ hc-vq;obvjc + s. What is the maximum possi//hc+qv cft;-v ; ejboble 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 k-q+z t:5iq mqyxw:qk/)d-3s qgpn a7lens of focal length 5.0 cm as a magnifying glass. What is the magnification if7qs5+ pm/agk d-)3y:qqqki -xq: nw tz 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 lengths 2.0 cm, 4.0 cm, 8.0 cm, -;cp;iq5 nrrjand 16.0 cm. If you were to use any two of these lenses to build a tei5r nc;; rp-qjlescope, what 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 lense8wddrv012a4acbbl -ss 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 is the lens separation for the maximu rcsa8 2l-b 0awd14bvdm 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 telescopednd*;4*w/x4 vowfmuoeq 0h0pk n * yd8 has a focal length of 200 cm and its eyepiece has a fove u *0dopdko q*0*;h/8 wwf4xndn4 ymcal 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 telescopeqnrq 8;ay vg7zyj,/q* with a magnification of 10. If the telescope has a converging lv/7aqzyrj8qg ;*n ,yq ens 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 tel 17 7ir rr-4n 3ohuxsfkv)cw+fescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tel-fr+ soxv3ch)i nkw1r4 fr77uescope?

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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 telescope is limil5w:) nb8u hvzted to a length of 20 cm, what is the approximate focal length of the8nbz5u) wv h:l 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 m x:2 xce6dj:v2 i4 .mifchomr(m and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A bloo h drcxmc:6 joi(2if vem2.:x4d 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 eyepiece ofmae03 m igms1) focal length 20 mm, adjusted for minimum eyestrain. A blood sample isemm0sg aim 1)3 placed 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 withf1hx8qll9q:s a focal length of 3.00 mm and an eyepiece 1hl xqlf 89:sqof focal length 6.00 cm. 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-.d ( u7g j tzr(*;pjhjjlf3ye2cm barrel and an objective with a focal length of 8.07hl 2 ypegj;j j *rzft(u(j3.d mm. What is the focal length of the 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 has an angular separation ofnx)0odcfo.suf (k-i0w -c ed/ 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 dfix.(o0f -0/k ncu-e c )doswresolve 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 isu yth2e2:9v5esh d , plt)p,be designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 59hyhusptelpb2, e t:e),2v dnm, 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 dimj;-*kaw; xx fr;5jb gameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the mgax;*brw j -;; 5jxmfkinimum 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 Telescope has been placed into Eanfmz44s-w(k brawa c9j8: htnxt*7o ( rth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 r 44tj bnmo7-(n th9*(:fas zckw8 xwanm?

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