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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 shut te85t hwhi6dy90mp p6xxl61a ter is open and the film is exposed in a camera is determinedxt16wy d8650 xhpp9e la tim6h 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 camerf1nt,tt-m2hp a 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 l japv6:;+jfz7ir.z bf,cq4dkens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this meanrivf .7adq,z6:pjf 4+ kc;b zjs 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 cor1 nqh;w ;uvim:responds approximately to that of normalwin vuq1:; ;hm 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 renc42f)9+7 cniisuy ho ferred 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 fidir84o.fy d/ ilm with a wider field of view than that of the eye and through which .iyrd4 /i 8fodobjects 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 humy1)ch//v d tbfan 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 ey)w8e;pv m alx3- ky8pqe 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 clearlym- h t.djfc27 ss6rm.v lx8mei 4i,zhr-2/xry 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 2smqk2;yo3mt 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 from)m6y(o jd (ryt front to back, the person is likely to suffe(6dytro )(mjy r from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuavftdd/k)(:uy.mq v/ vlly 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 bku o s 3x+:oci3fm6wu-ack, this gives rise to a vision defect t 3fuwoxu3m i+ks- 6:ochat 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 n/i1rwu/q99a m6mc7+zebq k*f zx83 a; kjzna to back, the person is likely to su k+6r/zbfnx*emu kmz9 /3cwq1 ;a a87nzja9iq ffer 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 corr9//wv90dvz qfo:ez; e i7yuqnected 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 3t*ph roi+cy,gf p6f ;front to back, this gives rise to a vision defect that can be corrected b+ic , 6g3*p rfy;ptfohy 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 magnig ds*t8zi vb/.fying 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 objsdtpp ox; u r-3:l4w4dective in an astronomical teldx4 dw p; to3u-lpr:4sescope 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 opaque sc rz3yqfhqycd+c(elnwusqe5t1 5 2576 reen is py7 r3 e+ fu5(5 5d1qn6cyhcewqstzlq2laced 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 us4d qf8,dl8odg t1n(cved has 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,vdlc8 n1o tq4 df(d8g 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 a0jqg,7 am hl-l/3rdxhas 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 exp4hjg;od z zgc7e;3ja.ect to be able to see the greatest detail when usie;zhj zjo 7ag;.c4d3 gng 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 suffefc2 zs:xs/jfreq d-8 2r from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff8)erdwv4 b+h cer 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 refb4)uo:beyrcly- (gy 3 unkf-: ers 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/n pb-uelk5;y happens to its resolving power b p-;uk5 ely/nassuming 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 18 cm. What lens (in diopters) will aibzdf6gz,dfo7 w8 061w;gj mg llow this person to see distant objecf b1706ww ofgdiz zdm;8gg6j,ts 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 po)lacqw-i /nqo(jyo / yp+, pt,wer of lens shouldi)onq+ljy/ /p (,oa,qyw-pct be prescribed 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 lenses have power of -0.15 D. What .-vca b f++mlq;t2whpis the pcht-v qpwm.l++af b; 2erson'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 ebpa:u.+ zx8d6 rn3gucorrect for farsightedness where the uncorrected near po du:gben+ zua6p. x8r3int 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 3 .7ro:w 0law tqt-ubqcm. She 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 ltb0qwtrqu: w.a73o-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, if he 1*j f7-zk;f yit0 sepqwears glasses fyz;-017ep* t kqifjsof
+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 k:c:cd+zt1vs vme:cd;t ( ln3:umk6 plength of 10 cm. A person has a near point of 25 cm. What is the magnification of the l :pemmd:3cu1k kd:cc nsv;6:ltz(+t vens 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 a focal lcw5hnuw *.nmzb0(oj( ./ogv sength 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 focun((.ns ojub*g c0vh .5wwz /mosed 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 leng7aj; qe3p( tipth of 7.0 cm. What is the magnification if the image is viewed jqpi37;t a( peby 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 5vn9,0gp l1 mxq.0 cm as a magnifying glass. What igp19vx0m , qlns the maximum 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 focalxrv9ur 8cz09y:nj m*t length 5.0 cm as a magnifying glass. What is the magnification if the person's eyemx*y0:tzjuv r 9rc89 n 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-ab-:qcxkz. xxr+s +l lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build+xkrlq+-zc.xb :s - ax 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 r72i m1p96hyyfm cl 4zy6ux3s cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telesuhp yz9ml i6mc2xs 4f31ry76ycope, 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 s-j5qe5te pm, my/:cj has a focal length of 200 cm and its eyepiece has a focaps55-j ymm: tce/,e jql 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 10. glre xrfhs jo2voga vj.m/q 0*06+09g If the telescope has a converging lens of focal length 50 cm, w6o.9 afs v *2g gjjr 000rm/eqgx+hvolhat 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 tele oro p6if 3ipdr*j9hx9x *cd1;scope with a magnification of 10. If the telescope has a cihr*39x9cr*1pp ood6f;jx i donverging 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 telesctojh/ :9g g/xd z8+degope. If the telescope is limited to a length of 20 cm, what i8t9 o+gh : dxgz/e/gdjs 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 gs2 wq99t yqo csp3 mp i4**e-meby(a:focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for mipq s*em9wqs ye3o(p-ti* 4:y9bma g2 cnimum 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 anwr,c 4l+in v 5,xb*dqb eyepiece of focal length 20 mm, adjusted for minimum eyec*,bl4bdx,i5+ wnvr qstrain. 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 objecpk gkexm bw:20w x)*vk8ig-v /tive with a focal length of 3.00 mm and an eyepiece of fgw82 *-/bew) kxk 0pigkmv: vxocal 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 focal length of-h+zdw 98 ntcxq)ca5b 8.0 mm. z+)bhw9aqnt5cd -8xc 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 the constellation Orion has an anlhw/9-z uu6 gpgular separation 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 two stgluupwz /9 -6hars?

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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 arel(cfqq w z+ 4i ws*ax23w(-vag 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, whww +(x azc*islw(avf3qq2 4g-at 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 ,49qju/2n 4 m4 asy5ygpbt tht1.5 mm as the illumination is increased. By what factor does the tat9u4mt4 g,y /bn25hy4q jps 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 Telescua-t n p*/1pnne;k;ue ope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelengten;* pnt;up aekun- 1/h is 500 nm?

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