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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 shqc d*5 r9uphh6utter is open and the film is exposed in a camera is determined5 *qu c9hhr6pd 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 6601 tpr2opgt5l7grhzamff e u+c: w1determined 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 caffm .1gr(d g0a*xh;c smera the lens-film distance may be varied by sliding the lens forward or bac ;0sgf.*drhac1(mxf gkward 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 filmcpn5x6-iu+v nr6z e; f with a field of view that corresponds approximately to that of normal cxn+ve - pz;6f inu5r6vision 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 likkng( p iolf8ow-vv+/p s-) qz+e 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 wider field of view than tc*es yugtz9*9e czp60 hat of the eye and through which objects ayt9 *zzg0e u96ccp *esppear 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 wab7ujd23o:i+ox 9uu .bif: b cvys 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 byfi; tp(0jxxaqn8snig) o)(2 u 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 cl4yvsaua1 mdf:6 k jtz s.bs(21early 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 objects clearl*zkgxtp ./*jwo )j8ux ,rjlu .zyci+* y 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, th5n ;cp5 h(dhlbh5 sk,ve person is likely to suffer frombp h55;dnh(,s5lh vck

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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 cor/a7 s:a :xh+ssi x1mserected 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 loj8ka y7i.1hvs20 in frt2hi d7ng from front to back, this gives rise to a vision 0khs 2rady 2if.1it 8vhn7j 7idefect 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 person is likely tori)x f;2 g.w2y utlybi- xo:x* suffe.)i*2t-iyfurg;:yxwobx xl2 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 uplgy8b(sr/p7z/d sy .sually 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 f02vmdnq*hl/ o ront to back, this gives rise to a vision defect that can be corrected bym dq2*o0 nlh/v 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 glass?,,x eq6u2rgfs; ,:v pi bpqt:q

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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 objecti hd(/- jwo e(w;wke9vz xzby),ve in an astronomical telesco/(e- veoybjw 9 k ww)dzz(x;h,pe 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 telesvu6po 0 m0wo;scope. Suppose an opaque screen is placed in fron vsmu6 o;pw00ot of the lower half of the 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 re 0jgr:ev3egipb9r 8b)m na r9r:qm91avp*,has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The 1 vm)9gaeaj90:rr rr b:qnreb8m9 3eipv, pg* 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 magnificationod nkr-f,6f3w k0z j)y $m$. 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 w;y)inkja bto38 cs is no473*fould you expect to be able to see the greatest detail when cj4on*so;8 i)b yn3f7 stik3ausing a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fxw qhb )i4oizjn /m431rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fm v pq,77udcjuh4s)p ;rom

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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 mihx g7uebo7:)uzni 13 ycroscope 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 powe+io5u p* faa*ar assumui*aa*5+pfa o ing that all 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. What lens (in diopter26 qtj3z hfj3k ;t *j8fflkcm2s) will allow this person to see distant3h6ljtqk;k mf2*3 jcj8 2z fft 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 objeca8z o/5d*fc m2bj8;h/lysb eqts more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front o/25;8/ fj scb8hdeolzmqb *yaf 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 glm n vw l5s-dub rjfv1j,a0y,;1asses whose lenses have power of -0.15 D. What is the person's far point if the glasse1v;wf0b aumn ,vrl1sjdy5j-,s 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 ep,-,c n:b6apax edj)correct for farsightedness where the uncorrected near poida6 -,j)apcnb e p:,exnt 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. w ;em :gor-iwxq+ 0r1a*zz,lf She places reading glasses close to her eyes, and with them she can +w xoi we; ,qzma: zl*f1g-0rrcomfortably 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 1oq*ncd2fe(68ts uueq f +j1mcan read a newspaper held 25 cm from his eyes, if he wears glas +scqueu*2j6qo1mtf fde (n18ses 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*/uic5 l2atsvfol /A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused atl a)5/2 clifouvs/ a*t 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 hasnhd xslau7 w y(0v2gw m7/q0 5hrwr7vop ft8;4 a focal length of 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 focused atfn5tl 8asvmwx;7w0 qg7hd p24 hr/ vwr oyu(70 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 magnificaaawzqfc506gl o5oete7fc z9z)fbex3 4t5h*8 tion if the image is viewed bezlaoo6q fe54 xct3)0 fzwg ftz5 c 5eha8*b79y 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 convergin5yi6 a2g7:*oropqomyg/ d4g sg lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificati d*2q4aoyip7 :5 r6ym/sgggoo on?

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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 foca6 bbahfep g2)-l length 5.0 cm as a magnifying glass. What is the magnification if the h pb2b-e6f)ag 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 )fh7ns66r fbz cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, whn)7zhs ffb6r6 at 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 focal lengthwron.u)ai)(q6ar 9b vs 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 tenvu9)q b6)aw.r(ai orlescope?

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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 telesco2 aeof9qefg d 3s:,d-;0rgli kpe has a focal length of 200 cm and its eyepiece has a focal o3, d : s lk0ia2;ge-gfe9dfqrlength 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 magnificatmxom68kq s,y +ion of 10. If the telescope has a converging lens of ky6qm,o x+8s mfocal 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.pw(lxw2m kdya:,em6( If the telescope has a converging lens of focal length 50 cm, x(mw(6 adewp2y l,m:k 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. If 0k. j-cvzw k)tthe telescope is limited to a length of 20 cm, what is the approximate focvw-0jtz)kck. al 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 objectivg x7f2(ovujh )28u)uf 15y4v5s )tvwrwpk xpve lens 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 objective1gj8fxu 2p)uo 7uywx2hp5)krwvt( f) vsvv4 5 . 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 focanf1pfw wg x368l 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 oven 3xff86wg 1pwrall 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 ne7vyn:1r1l h-ana 7y eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the thnylnv:yr-n aa17 17e otal 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 lengic-hho 2 th0m3th of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of tm0 23h-ico hh240?

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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 ofzu pc dct xv46u)+xoql b-0o5. 10-5 rad. If the4u o 60cb-xlvzx u+pq5cd .)ot wavelength of the light from the system is 500 nm, what is the smallest 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 des(ey:*vtx) b /3z5oqfdchf/v 6 nn hh:digned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm an xvedc*/ft)vb5 /on:6y dz hqfh3(h:n d 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 ch r,0fw0 ckt,vvanges from a diameter of 3.5 mm to 1.5 mm as the illumination isc0 ,0,vwv tfkr 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 Tei6yq/dh wj1ye).:t t llescope has been placed into Earth orbit by the spac q e:liyjy6th1dw).t/ e shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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