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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 t qx.jv,ti.01hlp+cdz he shutter is open and the film is exposed in a camera is detej0chtzd +.1lx.q, viprmined 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 tx3vct0 hzxpk m,b92k(e)f( edhe 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-film .u0xym3l4xmh * gx w6d y2jty: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, this means x 0 :2d6mmtxgylh4u3wy.x y*j 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 witbznrn; + .jqjtfra136h a field of view that corresponds approximately to that of normal vision is refz3 .rtbn r6 n+jaqfj1;erred 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 magna0ze)6o r gz jzx;v:*vify 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 thai)z* f)qawoi0t of the eye and through which objec)a*f0o )wqiizts 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 differe kzvt4os6h:b2 nt 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 3tqh nit*6 yz1of 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 senhyj6:. l dr9ie 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 obje -+ftrsv0:(v av3wsz kcts 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 q6 rh4+)txtmy9 vvae)likely to suffery+4ea)qx trt m96 vh)v 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 correcfsaen:g h(j (ome)r57ted 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 fs)iwps.l oys5kg 5, m5rom front to back, this gives rise to a vision defect that can be corrected i5)gsk5 ,5ms wyspl.o 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 * p6qv2hisk(8ftlbo x j;bx u/-t p u5,6k5yfnto suffu xfkux5 l*tb/pt25bh, -86vynqj;i6ksfop(er 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 wiurnc oa-)t.)b.bf vkhc/mo d 7/yb+v ;th

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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, thiijt91 *owk le)s gives rise to a vision defect thatwjk l) 1ei9t*o 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 ytf+ sp g8f..nmagnifying 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 fort,f,rxgp ) 8t et90q mpz*u*zgwh43gh using a very large diameter objective in an astronomical telescopew)*z gp8gtt,trqmp f*x g3hu,9 h e40z 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 nb-3i eftuy1o02e i(a by a refracting telescope. Suppose an opaque screen is placed in front ofoya-btne 32 (1iui0ef 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 has uc i+s 2zbh6f cb5u*p-yniform sensitivity throughout the 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 of the telescopefb cz2+ ips6*cuh5 yb- 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 magnificationfa yif:rg*o:. k ,wn*s $m$. 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 woub bbixred4no a62d;n- /6 so:0s;qbx eld you expect to be able to see the greatest detail when using ;ne6rx d;bd02 qoa b x-/:s4nb6osibea 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 -h tbz.t17)n f9cct7sdpy) cufrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frl s.pt5p l):8 n1babkcom

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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 7,r0bxqwqnt ebv: 90u:qta u7 a microscope 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 doubpioew 25qs )cpwp/+/ jled, what happens to its resolving power aqe /jpi+)sp/w5 ow2 pcssuming 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 ofd s;pw8;h)k+uqn 670a b pgtaa 18 cm. What lens (in diopters) will allow this person to see distant objaw60; s;) uat ad87hnpbq gpk+ects 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 objes8 b5lx,ou5ldcts more than 70.0 cm away. What power of lens shouldb,d5 x o8lul5s be prescribed 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. 84.m8 zdgmk/e qr-b6 da3hwoi What is the person's far point if the gb wria6o3 dhzm48e8dqk .- /gmlasses 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 corre7dzz bkl gt650ct for farsightedness where the uncorrected near point is 7zl5bd7gk 06tz 5 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 ivab4vo; kvmgf /af93 6s 100 cm. She places reading glasses close to her eyes, and with them she c9 av3 ; ba4ffv6ovkmg/an 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 from his eye;o1uhtb h:f9ktn7 : tes, if he wears glasses ; :tfu:97eotkh 1bt hnof
+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 point of 25 88is5n1d/ grwwbc6grhbf9d 8 cm. What is the magnification of the lens for that person when their eyes are focusedg8/98hrbscd w w b gnd685fr1i 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 ,jmb;ta kcso-z-v )8yf 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when th8t;jmc ,z)yv -a bsok-eir 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 7n:8d af 7d/wsz.0 cm. What is the magnification if th78a /szwf: ddne image 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 mxnge(vpw f5u4.l5o 2 bagnifying glass. What is the maximum possible magnificationb5lgw(2 no5v4 . pexuf?

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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 magnifyinlgtav42-cr-i*f h 1zikd1m3 hsu h h,8g glass. What is the magnification if tg1hmu 1atrhv*ils,3zf428h-- ckd hi he 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 l9x47 0g:foc q9mf rdieenses of focal lengths 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 telescope9 9rei 0q d7gx:m4cffo, 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 focal b(0vt/uc28rt ;in8,b cuz rwdlengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If yo8,uvcwntr(r8 uzcb 0i t2db;/u were to use any two of these lenses to build a telescope, what is the 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 h .jylo u9s;)-s9otjl9geke 8h as a focal length of 200 cm and its eyepiece has a fgot- k so.) ;99s jj9ulyelhe8ocal 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 with (-bv(zdsb7wgd b:q5q a magnification of 10. If thw-dgs: bbb5 v7(qd qz(e telescope has 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 wig)fe(a:er5m1my . pfhth a magnification of 10. If the telescope rpgey1ffh (mam:.5 e)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. 1n/;rt b:e xkmIf the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectivee;1ntb:km x/r ?

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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 andrl yk n *lcsjv 968io4s3)rui; an eyepiece of focal length 20 mm, adjusted fory*r3v k8sj4u roi 9 cn)ll;is6 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 lens of foca r75x.b cozpb1l 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 over1o 5xbpc7r.z ball 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):fq:z h/vbpwp5;h dy7qs g(t mm and an eyepiece of focal length 6.00 cm. If the two lenses are se)phgyzqs5d;fv qhw(:/tb7 p:parated 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 led rv)v*oe6fkb8 ,:k3ikbu 7 gongth of 8.0 mm. What is the focal length of the eyepiece to give a total magng i7:)k,3ku8kr6f dovboebv*ification 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 svwchz 2404a vaehhjrxf w; r.c7,+,ithe constellation 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 that ca,efh0a+42r 7w xr h.cczv;,as4viw hjn 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 a1o1 0 szzh7c*mlc :wdere 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is ts01wh :*e zoz cdc7ml1he 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 diameter of 3.5 mm to 1.5 mm as the j nwliw 81b,,vh m(z,iillumination is increased. By what factor does,,wh 8imn zl,bjw1(i v 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 kzd4rky2;i4 b Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this tedk;44 rikbyz2lescope achieve if the wavelength is 500 nm?

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