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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 is2w4kr6odqz k1jo r q728e0jrdf7x3bj open and the film is exposed in a camera is determined bykd7bzdw j24o jrj3 qxq06 2fkro8re71 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 ;o- (+k-jwo0qj uv tet* 6omnifilm 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 len:ny(56rg znnzuz2 bz .s-film distance may be varied by sliding the lens forwaznb2ngy:(6z5n.r z zurd 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 film with a field of view that corresponds appr(,gi;fxe qptklh 6)x *iet(f: oximately to that of normal vision i;e*6fp),lhfx x(tqg :ii (etks 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 referred to as dld* .s p-a)+6uunem ia

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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 filjr )eo gfdq+0nq; 3zr.m with a wider field of view than that of the eye and through whichr d.;0o3nqzej r+gf q) objects 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 different from the human eyegk+a. dp7s-m i4rm4qm?

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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 ocwf+aid:vz0t 5curs 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 y +c.083emkw*me3ft el/o8, afyys m qeye 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 whichj:ggq9l; gos: 5s8k6yci7jni an eye 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 ik )u/g/e( gdu/gihn1 ljqkt(+ s too long from front to back, the person is likely to suffer fromq/dlh+i1/n )ktggj/ ue(( guk

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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 corrected1pcye ty3*yqo*ba*zoqii9r2 t 84 zi- 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 pzdvme2gaku0*8:8m o back, this gives rise to a vision defect that can be8 *2zmpg 8a0e u:dkmov 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 shb/b(g*khn(ln oww 2 b)ort from front to back, the person is likely to suffern2wn/( k(gh) bobl*w b from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usud7a *2obqwfhxl:,.u+ mnw;cd ally be corrected 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 s ne.m 4lf7lps3hort from front to back, this gives rise to a vision defectn74e. 3spfml l 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 magnifying glr*+mf pi7p rv9ass?

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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 l8k7wz-y dao jlz5rnx,sgz 0 csa;/47 astronomical telescope8asljoaswg7;r7 d40 -z zlzxcnky 5,/ 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 6upr 61wm;9athqol h7av h,m;an opaque screen is placed in front of the lower half of the objective lens. What mvuh;a6t,l9h 1q6p oh7 ;rmwaeffect 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 h,p,rwzckkv9jdr *oj/ w +gb :u2(d yx1as uniform sensitivity throughout the visible spectrum, in kr 9, oybzjw1ddpg*w k(jc: rv,x2/+uwhich 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 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 maglnv dt v g4x ykz:9c.awx0,*e1nification $m$. 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 greatezfd+ :- 2b ;cf6oinwv/p .voaist detail when usifi:wa;o+n2 6bfv.v dicp -o /zng 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 suffexk 8l crcr0d;ev (h7u61mgh9 n- epo/ur 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 from8l.u 4tpo et*je2yqb .

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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, d75de sco9 hzcsk2.n 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 happens to its reso/jx*f9sal :no pa n/vz7 w)c-ulving power assuming that aljz7an9s * o/w -p :nl/x)vacufl 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 18 cm. What lens (in diopters) wils;uqbif ig+6vred /sn ,f:w) au p108tl allow this person to see distant obfvng +6upb ;qi1) e8ua:i0ts/srdw ,fjects 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. What power of levcgird 3r50.iqd*uw( mz4 i0tns should be prescribed if the gl.v4 i3dwzd cqr0gtumir0* 5 i(ass 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 -21q1r dq;hzm d0.15 D. What is the person's far point if the glasses are r d;z2q 1hqdm1very 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 unco9rj91+ q17 m4 dgk(ew:forx fn1elut yrrected near point i1e19 gl +fdqyk1j7ox9: mt u4w (nfrers 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 4s+w ,pw:qkcfreading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lqw+w ,4 kp:fcsens 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 ne bza,06t 5few2n)ecfl wspaper held 25 cm from his eyes, if he wears glass0cbnf) 2 a,f6 lewtz5ees 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 19l ;;iy jctap/onz5 6g0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that perszao l t5j96;nygp/;icon 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 focal length of 10 cm. A person has a near point ofi-w cumzf,. +rh7 tv0e 25 cm. What is the magnification of the lens for that person when their eyes are focusetum7i +.h-evcr z,w0 fd 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 the magnixyf5k0 0k c7 r* y ,w:tnga(/4jbjjnwvfication if the image is viewed k kcagy/n,j j54b 7 0y*r0(w:fnvjxw tby 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 glas )lemg/v z6)bos. What is the maxig/b)moe 6 zl)vmum 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 focal length 5.0 cpt1 jz* j+ysbru,k/1g.vw j t8hon-( zfc9:ncm as a magnifying glass. What is the magnification if the p/fsouzny(8 wjj+-ck 9 t.h:,*nv1pjt bg rc1zerson'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 lensey41)h6ka udws s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. Ifhds) 4wa6uy1k you were to 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 lenses of fpz8yqpb5 tqd7is: my*rr 474hw ) rhe4ocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If yor )q444p iyzdh8wr75thbyps 7r* emq: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 telesco*smk5* lgqx7 6 xhn3px u4qye5pe has a focal length of 200 cm and its eyepiece has a focal lengthsnx *l xgkhq mex35546pqu*y7 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 telescio( rktppx+i2sy.bp4fe4o o3 z g 6z77ope with a magnification of 10. If the telescope has a converging lens of focal leorf p.bz i yio76p+s z( tkexg474o3p2ngth 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 l 5gopf /+1tk9kb4 pbz10. If the telescope tk4polpk b+ /z1b5gf9has 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. If the telescope is limited to a lecf d-s+22cujf ngth of 20 cm, what is the approximate focal length of ts+d j2f-cc2 fuhe 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 l6 1o iv)b, /guxfkfl,pength 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is pfvi1xo)fp,g/ ,kbu 6l 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 objet- 8/ufos;q s b429wdpu1jm ypctive lens of focal 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 t/4uqo jdtpb8s;2sw1uympf -9 he 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 ok*3 ,nkswcy 5 e:ym fgrtht+ k79kno:.bjective with a focal length of 3.00 mm and an eyepiet7c*. 5f 3ks9 : w+knnymh gtok:rkye,ce 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 objective with a focalrksi;;is6 9z e(cu)1dli xt/ o length of 8.0 ms(e i;dtiscx)i6/r l9u;1o k zm. What is the focal length of the eyepiece 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*q:d4;nqt pei the 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 smaltied4qn;:q p *lest aperture (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 resolve objects which kk :z2mey2w jb74ztwcz+ :r9 zare 0.010 mm apart. If the focal length of the objective2ztkwykje z+r: zwc:42 mzb7 9 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 1.5dji9q5eq.jzji yz0), mm as the illumination is increased. By what fqjij zzqj05 y),9i.deactor 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 fgqr n4v86 )dog)ueqy; v. 0q uup(6sshas been placed into Earth orbit by the space shuttle. What angular resolution could this telescope ach u4 y8g)qnu0s( ;s qqepr6gd) 6f.uovvieve if the wavelength is 500 nm?

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