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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 film is exposed in a cam ,:5ho-zips hdera is determined:5zh, iodsh-p 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 lijz)i s1r 0,ofe1dhv:; y,wq 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 b h :h,6g6vcn/ii4e rrmay be varied by sliding the lens forward or backward 4i:neh66 ,rh ibgr/vc 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 thzuqe z2y)73sa6oth zx: qgk 7*e film with a field of view that corresponds approximately to that of normal vision xzuzq y zk3g*ets:oa2 76h7q) 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 a /jg,+d.o v8 nl, akro)5m1(; gnjr)bvztotak cts 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 wider field of view than that of tas;ee+6z rlpp byodk/ou 1e)f+y:y+1he eye and through which objects appear sma d1ou+le/)r1:bp++p;ykfyyoz ee6a sller 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 differenqpc0nf;j /c) tvgh-2wt 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 * nuk lbk7hs7-k. igh-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 distancemjesw va:3 pe;h2/+p p at which an eye can 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 an eye can see objects xe*l3pe2)s gqe:spjyo*8, iv 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 a 3jq*qxn,hk 9to sufq*9kax ,j nqh3fer 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 corr 8s99ukb6ccw: jdn4j wected 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 d)x/hpvk11enlg yel 1pa9+0q q p ym 5o4+a9icback, this gives rise to a vision defect that can be corrected by useph)1epcl091 ixmano 1kaypqy 4v/g9+q+5 lding

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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 k, zi 3r. 0xi1vcrasa,ep-wz7front to back, the person is likely to sa-,k0 i c vrwezs,zarp3x7.1iuffer 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 correctedj8jfg11dowl 4e z9f 2u 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, thigzrv p1hlbdx7h54 h7 3s gives rise to a visiorvlg4 h3 b7xpz7h1h5 dn defect that 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 magnifyii jeu;x7m x1gw.nu;iz 53x 0leng 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 very large diameter objective in an astgelye h 27p; nr/cra,h8jg+5tot 1is ((wx0mxronomical 5gaj+;l h r8 mi0p7e/(rtn1 e2g,xsyhwt(ocx telescope 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. Suppos vve(xdap4/9 y hu v:t(rmd)+ue an opaque screen is placed in front of the lower half of vx9rdy e(:ht vu pum(+da/ )4vthe 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 hc xxoa1h*qd 8x+ z.sg, k z8)gvwi0a0oas 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 lens referred to is th d1sv8 * 8kioza0a q.)gwx,+xgzc0 hxoe 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 magnificat 4*mb.nmj/wh u: wfdp,ion $m$. 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 able to see the greatest detail y,t1z/zwyz75a 1w fk6 vtrp j1when using a microscope?twk5r/1 w,zypfz16zaj vt7 y1

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffe5iqcm.az8v9w 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 suffer fk zc7+g+23ywwua( z ;w7frmjn 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 microscope refers caegpu*tev+ st.5 :j4 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 d7yc)o68k jk hp+zpf 8boubled, what happens to its resolving power assuming 6p 8yhk+)fcj7zb8o pk 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 xu hjxdh- l203.,notartx 1d:18 cm. What lens (in diopters) will allow this person to see distant objects cle01:,n tx-r2tox3jd hah u dlx.arly?

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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 lens s+wzpzz+3 ( xu. o7umdshould be presc. w(dsozxz+mz3 u+u 7pribed 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 mq 3+xfxmfj1,lenses have power of -0.15 D. What is the person's far point if the glasses are vxq+mx m1ff,j3 ery 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 h8i v;e ps-hq,farsightedness where the uncorrected near q,piev s;h h-8point 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 sbbx v8ke gl:)fs;hzqu+)03l cm. She places reading glasses close to her eblsql)k0zb:svfexhg;u3 8 ) +yes, and 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 newxnq/3r1 m7*ft sya -qaspaper held 25 cm from his eyes, if he wears glasses ofs/aaf 1yr-3m nqt*qx7
+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 focalq/8te jm +l9dr length of 10 cm. A person has a near point of 25 cm. W+ 8rt/ 9ejqmldhat is the magnification of the lens for 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 aikaxiponz,uq0queam7 (8 u 05cg(5 h/ focal length of 10 cm. A person has a near point of 25 cm. What is the magnification oi u7u5hg i(c/aaz5q(pm 0xu8n, kq o0ef the lens for that person when 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 a focal length of 7.0 cm. What is e *d v;vs.b:d,.tmt;elisrv 9 the magnification if the image is vie; ,ritm*v:sve9dlb.dv; e .ts wed 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 mag +a. kz;jr2g2oy l/kcmnifying glass. What is the maximum possible mj rgl;y2/z.ak+2mck o agnification?

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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 dlxu vyv/ c-92focal length 5.0 cm as a magnifying glass. What yv-xdu 9/l2vc is the magnification if 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, a:dl vm tp.zlu73f 6k.xnd 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximumlufm x vl..t7pk: 6z3d 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, 8.0ve /i lgvk/:4f q7s ww6uol w *lmp+,hw6for:3 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lef3h:+mk i l 6:4*g7l/fwvrosvo w6leqw/wu, pns 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 has a focal lengtga+(n) dqh h;i,: ha0cnttjh3 h of 200 cm and its eyepiece has a focal hh:t t(h03+a g)cqd na;n,jhilength 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 or*ti 6p4y/na a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of theya/ip6*4 rton 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 tele nmgh6)+ bbyajfq:)1s scope with a magnification of 10. If the teles bfq1s h 6b)j:)g+manycope 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. c)z+ 7g8z4 e1jhb tjecIf the telescope is limited to a length of 2c1 g7zzc)e4 je8bjt+h0 cm, what is the approximate 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 qc5p (9vjy.chep4p*b length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for b9jheqc4p5 ypp.(*c v 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 focal length 1.4 mm and an eyepiecet m57 jy1tfmhxj:4* sm of focal length 20 mm, adjusted for minimum eyestrain. A xys:7ft 4mjhjt5 1mm*blood sample is 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 with a foc 38 sshjgw0kmv y17ew(al length of 3.00 mm and an eyepiece of fojkmw 3e ws8(07sgv 1hycal 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 microscopeu bcz+b9nt2q e-sf);o has a 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 magcz9 sn;b e+o2bq fu-t)nification 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 separataz yi2q6 8j2bgion of 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 resolve the t i 6yg22q8abjzwo 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 wh27m)p8jymvl9 qvkafq : bj+;yv9. qk yich are 0.010 mm apart. If the focal)+ q ykmk9:jamjypbv q98;fv.2l v7yq length of the objective 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 chang2f3 2jvw l(clres from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle oc( wf2 jl23vrlf 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 Ea)khl/;s z*v,m:eme h9 c0i izhrth orbit by the space shuttle. What angular resolution could this telescope achieve if /s z9ekl)zm,ic0eh *vih: ;hmthe wavelength is 500 nm?

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