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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 the shutter is open and the filfpbs(h0j :(wev+qkd ;u( ,mh lm is exposed in a camera is determinedh(e(;w usmvf(qh d: kb0jl,+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 is determi s0p(.e0alintned 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 may be vf)wbui18a9) up 4vz3)x. bijwi5x lybth (m. baried by sliding the )bxamb98pw u4j f.txu 3w .i5 1hlb)(v zyb)iilens forward or backward 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 filgz (q+)2kdd+.o9rk lump vd9 am with a field of view that corresponds approximately to that o(p)2dkk+au r.9g 9d+oz lqmdvf 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 magnifd 7;2p)l2dmjcx, ajgmy 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 fis r :exc8vm,,d*cssmrf/l (-(z ivld. eld of view than that of the eye and through which objects appear smaller is refesr zmcfml*i vve8-x dcd,.s(r /ls:(,rred 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 camedif1) xp)71yc 9r jkj/j7fo w4- wthwdra 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 by the eye occurs at t:b6 zt7lnve b+he

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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 clearl.ea btn0uy k42y 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 eyw7 b go3szoigq6/j0z 1e can see objects 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 fah qe95ui7x 1prom front to back, the person is likely to sufhi eu57xqp a91fer 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 bkjn zg1t.7zu 8e 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 back, this gr tb / 0,ruq2g67clraiives rise to a vision defect that can bb,at2 gl7ur0 / rr6cqie 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 f36q v/iqkl y 8fogh-1)cqv9tbront to back, the person is likely to suffer fgbq-kt/fho) y 3qclv 6q81vi 9rom

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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 coq kh;:nmpd- qb :3n6j4reg)xbrrected 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 fronf71m i (yplva3t to back, this gives rise to a vision defect that1( lm37vyai pf 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 magnifying g; k i 6zsq7,qnf9ujvp -p6bno+(ixhr5lass?

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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 objec/d*i bq2d gimo )+2fddtive in an astronomical telescbd*fdmg/)i + do2diq2ope 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 telesc1g9+v * x1kyjbz ewxq(ope. Suppose an opaque screen is placed in front of the loe+xqxkj 1(y*z9g 1bwv wer 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 uniform sensitivity throughout th+gb - zyr/ r;)p1.evlg8tjksi i/kf)ze visible spectrum, in which of the following cas 1s;klf 8/ .gi)tpbzz+jr-er /i)vkyges would you be able to best distinguish between two closely spaced stars? (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 has ;-+yod5ojwm j/xok 8he ib48ga 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 the gre ud1sod ;2bqni )3yo,/ec8cvhu5o xc7atest detail when using a mic,quos5viu 1ebh8ocd7 2;dx /)y 3 concroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromu+s ofl(f, p1thfjh+ n. giq;,

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromz7c-uz b cs+ck.s z6d(

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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 ref bwc,t n,f9z e5;du+fcers 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 iz ok ym u)56oh2v7.rq/xk sa9whf/r*happens to its resolving power assuming that all other factors remain unchanged? Its resohvofho.r5 26)*yqrzu9k am/k7w /xsilving 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 1*emglj wnwgg. s.4r2,8 cm. What lens (in diopters) will allow this person to see distant obrsj g 24wn* gelm,w.g.jects 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. Wh270 s9huf qaiwat power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the eye?qis97u0 wh f2a

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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. What ivfio64dfot:k hl+6k br//gj 4s the person's+k/4rthfolv6k f4gd 6/boi:j 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 negoe,9cvo: :) m7g6wfcjpg c9fasz -9yeded to correct for farsightedness where the uncorrected near point is 75 cmg9c : 99s gzc6oyjf- gpmacwoe:, v)f7?

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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 z d9gz:hl nb, l7/(plgk-8)l9kdy wtuglasses close to her eyes, and with them she can comfortably read a newspl/:ldwzh9kyz78 -tku)g, b(nlp l 9dgaper 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, x4e ujd8: zd36cohu.k ggao5;if he wears glasseo ja5:okeu84.gxdducz; h6 3g s 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 o3ejyu: yasqad)jp98(p q 72 nk8t;wnof 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 focusp( ;ywj:anet qja9ps87u )8kn2 yoqd3 ed 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 hasv ra/a8av jv68 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 a 8vvrv/j86 aaat 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. Whats,wn1xzu yuj.gpqw i 88 h,m/6 is the magnification if the8/ w8x6ynu,p uhj.gmwi, s z1q 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 magnifying glaju 7( e6l0oztfss. What is the maximuj u07 le(otfz6m possible 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 lens of f.k)px v s8vcz,ocal length 5.0 cm as a magnifying glass. What ps.v)c, kx8v zis 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 lense k1 os-ik4a 2y/phen6os of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were tohp2y o64/ -1esok aikn use any two 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 lensesr4mkus:cv+ 6q of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use anyqc+rk: uv4ms6 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 of 200 cm and its eyepiece has,ho,kujy;d2 y a focd,u ,o;2k jhyyal 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 a magnification of 1- )djv kxgczy3( g (fk(3rgw9h0. If the telescope has a converginfgk-g39vw (cj)d kx( hz gry(3g 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 magnifi+6ltr(l ;b phgcation of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the tel g+6b (ltprhl;escope?

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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 s +en 3*qw ppy( ;yarj9rw1jb210X telescope. If the telescope is limited to a length of 20 cm, what is the approximate foca wr wj*spajeby319 2 qnyp+;r(l 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 length 1.4 m.wfg83ua cbx7 j24vof:zri *rm and an eyepiece of focal length 20 mm, adjusted forvowfi2 * . xr:zbcag3f47 ruj8 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 objec3v5sgm r8sd* c-3 synwtive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain.5gwrvs- dsc* 3ynm3s8 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 objective with a focal length of .29g/ em jp y+e/ lg0;)-ekagid2igevdsi(b x3.00 mm and an eyepieceieidgdeg) g2e (a x0vi e+-j.//b ;m2klps9gy of focal 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 microscope has a 18-cm barrel and an j8h1p gz/fn5tat )d 8nobjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total mt)hf8pnt/daz5nj 18 gagnification 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 thn0vsz851o u oy. a7 ro9ocm1jbe 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 thatn a1 091o7or5mbc8 v.oyzju so 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 resolve objects which are 0.010 mm apart.hch wkp 6kiptkc)8m-8 m )xdl72j.,e b If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is k7 ,xibl mjtp8e2-6k8) h.ckpcd h mw)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* oksnx4b 0kie7*rem- ulw(q)anges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor )(en u*krw4-7oixlesk b0m*q 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 Telescope has been placed into c/a bd8 mr8 s2xckxpm44kc9g.Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavpmcbrc/a md4kk82g9 x x.8 s4celength is 500 nm?

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