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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 an ;d+bj+3nqmn:9 6s w(xgrjkeqd the film is exposed in a camera is determined by t(eq:xb3+w6+9gqj dsmnk;rj nhe

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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 reace(p2 -n k2eu m)j0xycvhing the film 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-filmg kf 59ppuno7l 47vuq) distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, vp k q47uf7ounlg)p95 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 thas lcv2 z ;8 -fvc)v65i3meysvgt corresponds approximatelgvse3fy6c-)5vvmv c;8 l iz2sy to 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 b121 ma0y aa5qhnb9f uis 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 4h 8jx :x njcz46fu0cvof view than that of the eye and through which objects appear smaller is rejzjx 04xcn4hu6c8 :v fferred 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 dirq xifn7f4:g7ei -s ,offerent 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 refractcavto c -bp2cerpz86t44- vjzl s48q; v;oq+q 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 distance at which an eye c/-ncpul * z/psan 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 at2m e+i(3hqj in 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, the person is likely t9,wugczc+pjk*(u8hb sa/na7 o suffu ,*b8( h7 wpu9gc/ kaazsnj+cer 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 corrjqpt z 0j4xs1mco/fd79 u5ay; ected 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 rise to ( qcc*88,ib2twryw(cz d8ce g a vision8 tr8g (8iczwebycwdq(c2 * c, 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 fro (4,hgk.vmdzjnt to back, the person is likely to suffedm ,(v.khgz4j r 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 be corrected withac;;e/ )c3ew oi khpt3

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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 giuqs v/;pzce4wt qc)a85m v,-p ves rise to a vision defect that can be corrpu;vvq sqap5/e w )zc8mt,-c4ected 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 magnifyu2z)hu2pfv+k9*tm lhbq g/ t (ing 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 vercrn 5ha*(ft t7y large diameter objective in an astronomical telescopen rac ttf(57h* 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 opaque k8zu p:89myx1qz3w 6ocn vj 3yscreen is placed in front of the lower half of the ob: cpon1xum 8jz86wvykz3q3 y9 jective 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 uniform sensitivity throughout the vi wllh vb0a7 3/gz*wtki3jls78sible spectrum, in which of the following cases would ysz3jwl*i7tg a0lbwv8/hk7l 3 ou 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 m usn v9 a;*0e,dadp5s,r-jarqagnification $m$. 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 ar,i .i tmg)r(hble to see the greatest detail when using a m rrim)( ,.ihtgicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffeb aogobfh.6g 3rw91 i,r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufferb2w-vbz46hs )m8q jn f 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 ahaq x7x*5,. c)fbyzigbility 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 radatfngjig:79 , gr dish is doubled, what happens to its resolving power assuming that all oing: g9fjtg,7 ther 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. What lens (in diopters)os2;t k bf9itqfm /y.2 will allow this person to see diss/o fq2. mt; tkbyf2i9tant 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 power of lensz1qd w .r()ujs should be prescribed if the gl)z w1.r qsd(juass 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 7 wffvue136 upis the person's far point if the glawf e7p u3uf16vsses 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 correct for farsightedness wher54vfz;mmytm f 7rmgqy*29cj, e the uncorrected near por mmzg* q,9yt y7mj54mc;f fv2int 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 c:650pkkwcv-(ed /qc2 l( hantajps g 7lose to her eyes, ak(2d/ 5wnk(ep7-gc0va p cq:t6sh ljand 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 fktjj9ma0 ( rfy g*x0.trom his eyes, if he wears ggjf*0 a.mtkr9xj0 y(tlasses 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 f i-hmd21vw ,ja near point of 25 cm. What is the magnification of the lens for that pers1ji2h, v-df mwon 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 of 10 cm/n46e ich(zvz . A person has a near point of 25 cm. What is the magnification of the lens for that person when/4c v(h6zznei 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 alxk+s/n ump6 / focal length of 7.0 cm. What is the magnification if the image is viewed by a relaxedsun6x pkm/l+/ 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 glasfh7q22 .3ztzom5hz kd, xj,tns. What is the maximum possiblk.j2ozxh5zzt,q mht d2 f7,3ne 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 magni bi;jdi(8ym lfa67f (cfying glass. What is the magnification if jm6lfiif ca(yb7(d8 ;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 2ub;qbabm-3,bh * q0 js ed8wl2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. Ifj;eq8lba0wh3u q d2mbbbs*,- you were to use any two of these lenses to build a telescope, 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 lenses of focun 5r1gch 4o+ :6ypephwy ,8en )o/zcgal 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 maximum magnification teloc/4ye1egu,np:pgc+5 howzyrh n)68 escope?

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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 telpat7n4 l pra21;mfz2xescope has a focal length of 200 cm and its eyepiece has a foc2t;1m4 z xa ppfrnla72al 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 telescope da9: 4pp.iwis hjtxi h4hs4sig8 629u with a magnification of 10. If the telescope has.a4d6p i:9suixw h2i sgtsphj94i8 4h 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 telescope with a magnification of 10. ave o6+b+zj:s If the tb+va :j6zose+elescope has a converging lens of focal length 50 cm, what is the resulting 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 telescope. tv- 0p(7l iif26sjsvt If the telescope is limited to a length of 20 cm, what is the av6 p-js0ivtl(27t sfipproximate 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*w tt,y(vs ft3ut;thf6md,6jm( f l k4 1.4 mm and an eyepiece of focal length 20 mm, adjusted for 6m,tfj,v(ys h4dt*6f f;k t3t lutwm(minimum eyestrain. 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 l4zh te.d;w9y1 zkyf lkr-9sv3t0 qys, ens of focal length 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 magnificatis0z.z9k rwyh y 1;4d,q39eltk-tysvf on?

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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 3.00hwa : r: rb4srh0iw1-q2td4as mm and an eyepiece of focal length 6.00 cm. If thq wha 1w :sit20d44br:s-rra he 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 /w9x 52hhulyia 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 magnificatiw/5ilhu9x2 hy on 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 constellationwr*x.cmku 0 -q,zh4z98tc ev a Orion 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 thvm 4rc-a qxk0,8 zu*9tch.ezwat 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 designed to resolve objects which are 0.010 mse 16ke vhhog-ni:0 k rsp02e3m apart. If the focal length of the objie2g:6 0n vsrkhs3-h k e01poeective is 4.0 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 fromsett7 *: 3p+hmxhouz* mv3v-n a diameter of 3.5 mm to 1.5 mm as the illumination is in * hp7xsoeu 3m+:*t- zhtn3vvmcreased. 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 Telescope has been placed into Earth or.9gmk f).cib zbit by the spamkc.g)fz 9b i.ce shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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