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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://autodiscover.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://autodiscover.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 jm-it ki*x7cxe n3(p9film is exposed in a camera is determined by th9jtmxp-*c(73k x eiin e

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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 determin. c9tphy-irx7 ed 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 cj*qq n.k- )awjamera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with sucqan k-*)j. wqjh 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 that xk2p jx , /xeagyhqad6mi x93ufk088 1corresponds approximately to that of no dap8igkx693m,0 uq xfe2jxayxh18 /krmal 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 ref ,c 07 unpgoylyx yzd,6fuedo0 8kr8.+erred 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 witho oz4 q;a6ywlu pbnbs;(w.eh1d ) o57l a wider field of view than that of the eye and through which objects appear smaller is referred to as e 5y zw aoo(dbu ;b7o61.sqlnw;4)hlp 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 i 55s8*mxarkq cgoz j9/3e mwq1s 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 k6orzi p63s o(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 clearly2f9dqxeo 1m9 pkc)mp i9- z;rw 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 cletr5 6 ( m3. kefv9vhss2/h4ic+lk zwpsarly 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 3(ivq+j m0eixq(de3wp ,s q 4sperson is likely to suffer3 piqx ((,+q s43divmw0eesj q from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual2 m+ uhp4ww2ipq1 1 nm:g+ jexuu4mli:ly be corrected 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 ba y/bof99i xm xhccs )k/psw *,n(t05nick, this gives rise to a vision defect that can be cow f mptxoy9(nxs*05i,/ hki)/ c9nbcsrrected 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 peevwkb k w(2-i7rson is likely to s(-k 2bkew7 wviuffer 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 correcc43jfpd/7w hrted 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 -sa5 -psvtr(2vmf i( yrise to a vision defect that can be cf-r- a2(ivm(yssvt p5orrected 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 magnifying0n, o /ai ass yj+xqu6(y/3syp/emmf1 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 usix i,3bd0. zluf 1gwy,wng a very large diameter objective in an astronomical tedfwuxg130, .yw i,lz blescope 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 opaquzuvcd)us:+*a msv ,r*e screen is placed in front of the lower half of the objective lens. What effect will thisr+sauzm v,vd)*:* ucs 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 sensi24n mom,pi2jq6t1s )nl z k2 /sbmgkdn0rd q49tivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The gkp smz2 94kdm2j)on 4mn2tri1 6qdns,/bl0q 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 magnifica;l vtefv v525:y,,wmod hz fm1tion $m$. 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 yvn- 0 c i(z-p x7gayyn/pd op7k7/awj*ou expect to be able to see the greatest detail when using k (p7ipxy-/ynv/ npoa* 7 7a dwc0j-gza microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffg/zagz) s d60eer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf0 ij9 svh9i5nqokplva+b.. z: fer 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 abpg k,kxc9yx9yac( :( wility 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 dfg nnja/dw 7u1 /n8m+xish is doubled, what happens to its resolving power assuming that all other factorsnxnu+jn/ m/7 1a g8wfd 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) mp59 lro-d 8d(l8suvt 4lx6wp will allow this person to see distant obom tdr pvu (4l8pd6l9s-xlw58jects 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.w:xu,m kr gsf8 w*/jhrum*z+3 What power of lens should be 3wh+8mrw rx:ugm/ kz *j,fu *sprescribed 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 whosw un)xt-x-dsc 54rn8+u i4vfxe lenses have power of -0.15 D. What is the persnx di + fr-uxv-t 8w)54xcu4nson's far point if the 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 correct for farsightedness where the uncorrected bg+ 5 cdec;dv tt q)imad5+j(,near point is 75 cmeg);dddvict+ c 5( m5,+qabtj ?

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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 pkt ),0s8d8h jqlrzhiz,i +zju:9 (of places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required9:fh80sz 8lizu) +odthijq(k p z,r, j?

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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 cg*,c8w) rh m z4gcqwlow26 h9held 25 cm from his eyes, if he wears glassesq o2h4z rwwmc6g) *wh9g,8lcc 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 neyl5 d:epay/ ,zar point of 25 cm. What is the magnification of the lens fop,:yde 5lya/zr 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 f d5qze 3i;d-nkso u2jq25b9zeocal 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 i-u9q d e;5z253jz s2bdqoknefocused 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. ebf6 e *84ivfuWhat is the magnification if the image is viewed by a relaeuf*68efv b i4xed 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 fo86e) tdftw*+cj9 aoil cal length 5.0 cm as a magnifying glass. What is the maximum t9 8*e)ot6i dfwc a+jlpossible 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 ldcq(0b) jrc6pens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is rejcq6(p)r bd0c laxed?

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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, and 16ifl;dhi: v,j- .0 cm. If you were to use any two of these lenses to build a telescope, what is :fhd -l jivi;,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 lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cma:d 4w2 yg,qd3 c5b/irl)jnrj5 eh 3dx. If you were to use any two of these lenses to build a telescope, what is the lens separation fo 5n3 r)cg2j h/wqd5lxye3:4j bida r,dr 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 o 4yn6xtht u r.;kca :c:fls(q;f 200 cm and its eyepiece has a focal xca:ft4rqkt ;l( nhc:;.y 6uslength 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 ma+ v1xpkm+isn d6:+usakdt9vm7map/- gnification of 10. If the telescope has a convergi+ sap u9mnsdkxv+7 ka:1m-dp+ tv/6imng 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 -cpqa5:2- buwvvkj2v 10. If the telescope has a converging lens of focal l jvq2w2-ack-b5 vv u:pength 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 teb,/ / fbne61xts/w7 jsjl bw)z4 ntjt3ks u(.olescope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the ojzt/ jtu4w16 (s,fxs7/.j3o kl tb)s/wnb bnebjective?

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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 oe43wlyjn 41o qd7pl* objective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl ln7w3pedqo4*41j oy laced 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 eyuwl*an zmr8 *g: co2o5epiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pl w:r*luagoo*n2 85 mczaced 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 o06cjd:cr 2 u(/(hfgvjf(a:si an,ias f 3.00 mm and an eyepiece of focal length 6 nuarv/c6 ,(0( sg:ji2aijs:fd(cahf.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-cm barrel and an objective with a foer m4(nh1w1o r ly:)o fbk9y/bcal length of 8.0 mm. What is the focal length of the eyep1 4e ) bryrnk:(yb1 9hfmow/loiece 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 of kzi1nklq -d*/bh+0 m:0hf6s exl5tto10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperturezfqlheo0sik*m5 bkl-t hx/1 :n+0d t6 (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 designed to res;zll zt a(,vz/olve 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 nm, whazz(t ;llav/, zt 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 diameter of 3.5 mk:kn7kh *x *pmm to 1.5 mm as the illumination is increased. By what factor does the minimum *:mxkhk7 k*p nangle 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 Telescohw1h i; ic8p9n9bw;rh pe has been placed into Earth orbit by the space shuttle. W 9pb9;;riwch iwn hh18hat angular resolution could this telescope achieve if the wavelength is 500 nm?

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