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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 shutter is open and the film is exposed in a camera isud* ndfxaqh,8v byh5 e 41--wof/4edw deter5h-,8n*14 qeufxdd /v4wfb had- yoewmined 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 reac)alo g36 fy2grkk(ad5j +xxz-hing 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 tqkb ql7+p4kyrdq v1 jtw2i71;he lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, 714plytb +dqjqwik7;vr q1k2 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 film with a field of view that correspondi8p. 33 9cbzye :vip1.rionf hs approximately to t fei:v9npph. i.3cb yizro3 81hat 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 mag7t ou4s3 *dl5i:lkb20hkjmu l nify 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 o/w7e.5,ru2s+bugfyw vi e s/of view than that of the eye and through which objectsuge2usof/ 75 .y +e/wb,wsvri 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 dbzawn6n7iu5 5 sj67jyifferent 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 by the eye occurs at wzfj c++ ;94xi lmcg5v ;glt8xthe

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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 whichqgz;-)e f+/ug h ,(;rjzj uwfx 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 objectsih /9(y kq2viz;o*1 uv69pupzh kz, kb 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 .xl*5 opswdwk7d 4sv4 lhcw40front to back, the person is likely to suk vcdw.op40whlsdlx5sw 44 7 *ffer 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 corrected w(bo,s gwnn adk -(d 1xf-r1z/bith

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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 fat p+fbs,. 3herom front to back, this gives rise to a vision def +h,bfspt3.ae ect 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, tjop 3 1gl,:kxbhe person is likely to suffer,opl xk:j3gb1 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 withzuh yag0w5.j t0u1mr s;h*5vd

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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 i 03.dc;r6axczc2oktss too short from front to back, this gives rise to a vision defect that can be correct3kczr2d.xoc s;at6 0 ced 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 a6cgr xh8,2lf s magnifying 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 uszq26j. vzqyrsrdc,w1vf , 6d+ing a very large diameter objective in an astronomical telesco6fq 2 w,jdzrq,z.vc6+vs1yrdpe 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 telescolt:1r 3bim4ampe. Suppose an opaque screen is placet1ab m3mr4li: d in front 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 has un:gn;xe9rk;z jy8 l a+piform sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stayp :k 89xaj;r+gelnz ;rs? (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 hag(y h yi y8auog/3l5e2s a magnification $m$. 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 :c 5nnugi 3 aa*9nj b+)bzw/kh6 eu;iethe greatest detail when )5ianj z akcuew/n g9bn6u3e;i:*+b h using 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 fr 4bdhs8ez i: svw;2) rqx3zv2dom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suym qw-by,f*.x6:7 ; nqk tf8esdcko9sffer 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 ability h.n4cq 0 i(nosto

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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 pow4p*1 tfgjt/vu b4 6tjjer assuming that all other factors remain unchanged? Its rp u1tjbg/ j*6t ft44jvesolving 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 dioax;ubhd8k dpf:t7y :(s8ny2 qpters) will allow this person to see distant(ys2d u: ; ky 8t8hbfpqnxad7: 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 ) xii 0sf xbsr*q;*(viaway. What power of lens should be prescribed if the glass is to be worn 1.00 cixix *vsf 0*rqs)bi( ;m 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 we-vv ):)mxtgck9 vlrwd5gyu.;ars glasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyeuy:.m)w ) kgtxv9 vvc r-d;l5gs?

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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 cm. 5 +kebkhrenxz1jn(l *;8zuddy14e kel : l1orrect for farsightedness where the uncorrected near k1ez+ x z*yu 4 k.1rhel8 el:5(mdd1l ejknb;npoint 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 glassesopmzm +0wcw .v:+ema, close to her eyes, and with them she can comfortably rea.vw:w+mm0cz pm,+oaed 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 eyes, nn0 g: :2o yapmqljx)3ridw40 if he wears glassesi:p0 xn njr:al3q2 wo m4dy)0g 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 hasvi6, og1t*f0tx2 l qjj 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 focusej gxjfv,o l1i6*2ttq0 d 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 ha 5s 0 0un+1hpk2vo ivpn06lldps a focal length of 10 cm. A person has a near point of 25 cm. What is the0v 02p0plkln vipo6d5u +n1sh magnification of 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 4 d3h nk -q-grrmc*q/jof 7.0 cm. What is the magnification if the image is viewed by a relaxhm-4 cqj-*q d3rgk/rned 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 asgz)d-9a x5t,exgx2ab a magnifying glass. What is the maximum possible magnification?xz)xa29 xed5a- t ggb,

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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 7dq5 hs, :kzbvas a magnifying glass. What is the magnification if the person's eye 5 sd,h:bvzqk7 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//-jgm+ xh,ryogg8uz z c+g xp(m4,ju cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any uhgu-(oc8,zp,+ j/gx jxgym /mr +zg4two 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 focal lengths 2.0 cm, 4.0 cm, 8.0 c(:wl1jmlq am edqh.)en,a5:d m, and 16 cm. If you were to us5 ,e1m:l:d(m)eawdq a nl.hjq e 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 has a focal length ofw1.9v ):mkpzze c iy+3tnz.s:or-unbi1. c j f 200 cm and its eyepiece has a focal -tjyi.:k m3cfo vn)suc1ip+:9e.zr. z1z wnblength 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 astrono,7c2gueovqr0v,3 zx j nk1i6l mical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiec0jzei 6vu 7,rx1vg3q, o2nckl e?

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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 1tn /(xx h+p 3j3qlu)eg0. If the telescope has a converging leeqn 3 x/3+gxhlj)(tp uns 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. If the tex/bxu+x + ,ieolescope is limited to a length of 20 cm, what is the approximate focal length of the objective?ob/+eix,xu+ x

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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.znn3 fjapu0rz;v r; rwl0e*: length 1.4 mm and an eyepiece of focal length 20 mm, adju ; 0a.rzwl np ;0un:3rrjevz*fsted for 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 +:4ke k3zqs. lo6xyyhh e .4seand an eyepiece of focal length 20 mm, adjusted f3.z+q:4skhoh ex ke.6yy sel4or minimum eyestrain. A 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 obg tr*ysx6 211*qw wmukjective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses xw6r1m2*q 1ysw*gu tk 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 focal lengthnwc:ljehw(bm 6 + y64n of 8.0 mm. What is the focal length of the eyepiece to give a tnyc6:w 6(ben4wlh +mjotal 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 separatuhv y(-ye.jvh :r+ny- ion 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 uyyr:-yjnv-e hh .v(+ 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 dh jpzh49ueac*ez 167resolve objects which are 0.010 mm apart. If the foc*cajh1d7 9 hz6ee 4pzual 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 changes from a diameter of 3.5 mm to 1.5 --u6vdcm6 gtsa c(v,9k),k +ddmsm na mm as the illumination is increased. m( , 9nc+savd,-dmdcmt -uv6kag ks)6 By what factor does the minimum angle of resolution change?

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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 pyeuw,)f d/7mv laced into Earth orbit by the space shuttle. What angfdy / uw7,m)evular resolution could this telescope achieve if the wavelength is 500 nm?

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