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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 32d5y; hxu hmsom/nl5the film is exposed in a camera is deter 53 h/;h2lummdson5yxmined 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 fil* z0xpr+do ;/nqz 2lzym 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 lens-film distance may be varied by sliding4e6a susf,4l x the lens fa e4u 6lx,sf4sorward 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 vi-9mm16nwojet:q9 k.b 7fnloc.0bs niew that corresponds approximately to that of normal vision is referred to a sfw09l mck b -9.n6b.eojom7:qnit1 ns 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/ i 2cc ;w3wi)(y, kszpd:jdfe 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 y9j pth/is99 5da,mymwider field of view than that of the eye and through which a9m9 ,5ishd9p myj/t yobjects 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 eye?yj man5*m0hv 2

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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 occu7bfn 0ej,k sx cjvrbnx8)7j 02rs 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 seetp4mh -:vzz)o 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 o 5*7a z-ogalfiz 0gs,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 front to back, the perrqpsbwxt4fw l 8f8b4 )+5p8kdd(tq*1s/qip fson is likely to suqqx8fpp5li+ w tfptb44/ 8* ds1dbw f()s 8rkqffer from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usu d7id f0onjnf 714/yceally 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 back, this gives rise to a visiox 0l- pdmkz28z,jrer 4n de8j lz24r zerp,0mkdx-fect 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 isgdjr x ,,)e*3h4 s1l1wz8* rnmtmglf l too short from front to back, the person is likely to suffer fromr1 fnghwmdmz3xr je*,)gt4l,ls1l8*

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually6 zk:tuv1c.k gaszjt br*bit *8cc1*9 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 short from front to back, this gives rise to a visi5eje 8k foxse0,( xm8non defect that caj8k0xe5moxs8e,fe ( nn 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 glass90na ug g4uqk k.q+3dd?

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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 object s-o06npdh2os c d1b1 dnu.w:kive in an astronomicalp6 w s0odus 2cd 1kb1-dno:.nh 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 telescol)y vr. 0o 8zup6tnvv:pe. Suppose an opaque screen is placed in front ltr 8pv ozun6).y:v 0vof 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 uniform sensitikf0aqba.si ;wuec7rv 8 ff x0/3ut74bvity throughout the visible spectrum, in which of the following ff3s8;b0bvtqua7 w u.ci r/40fekax7 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 magnification rj-m: hi0o .tc(n/g3bo: ie6nsb kv9o$m$. 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 y r3*8jbfz23ff p e4ndsou expect to be able to see the greatest detail when using a microscope j4df38 2zbrsef*p3n f?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frok .)nb-l 2ixo so/6lxpa+x)xmm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fro3+. .( w .: nzpggzcy2xmy y p*l-ldkf4kbjs8ym

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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 microsikesywn2feca woaq8/.qkxc 4:) 8+ )ncope refers 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 ra(ti imne xs y.hf.t0 ve.ipd97w7m ;,bdar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? Its resolvinmfi;xwe7 .9d ie. mhsbt.n(i ty0p7v,g 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 p/v x8g/wv(bdtof,y e 0oint of 18 cm. What lens (in diopters) will allow this person tv /d/ey0g8 o,vfxbwt(o see distant 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 thad y - maoxby6,*zl/da.h1h6can 70.0 cm away. What power of lens should be prescribed a /hyad,6ox.ydm6ah b1zl- *cif 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 gu(v0u qv3gah/lasses whose lenses have power of -0.15 D. What is the person's far point if the gv3(/ hquu 0vaglasses 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 correct for farsightedness where the uncorrected sljr v3rtw*t8:a8g-7)ct g oznear poi:t8t8oatjrg *v 7-sg)3rzc l wnt 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.cufh/ jlz:d cun :s,+1 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 requir, fsj :lnuz:uh/ +cdc1ed?

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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 wears( vou5hkxp) ,ftvya,)xj y0r4 glasseu5)x r a4 h(,j0k,x)otyyvfpvs 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 hah py )3vhq ++ch+nf.sls a focal length of 10 cm. A person has a near point of 25 + cnh3q) hlf+py+.shvcm. What 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 a focal length of 10 cm. A pey r28u,1ztsyue07sc arson has a near point of 25 cm. What is the magnification of the lens for that person when t2a0uc,r s7y1szu ety8heir 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 the magnificatiq5uo d.j(ev/:y8vqq 9uiogs :on if the image is viewed by a relaxed eyevgq.j:dv5u o: sy e8( 9/iquoq?

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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 leht4:ujkh86 tjmt418 gzau u 7ens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnifi8 mg67at:jthjuz 4t 1e4uu 8khcation?

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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 as a ma1aw82k,jje bn kfw:x *gnifying glass. What is the magnification if the:nw *w8ke xfk1ba,j2j 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, and 16.0tliityz-n h9( f77-up cm. If you were to use any two of these lenses to build a telescope, what is the maximuylh9fz-n-p uit77i t (m 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 cm, 0; lwz(bdxm;l and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the maximum magnification tw0bz ;m xll;d(elescope?

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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 lhmhwl)z+l-p,a dr 3c8ength of 200 cm and its eyepiece has a focal lengp a 3,8lw zcdm)h+l-rhth 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 withnwlhmbo(g u4 .2 6(aou a magnification of 10. If the telescope has a converging lens of focal length 50 cb((loou4 2wun g ma6h.m, 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 aw 2vrf7af0 3fqiqli,b z-1x2 qstronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the iw3zraf 7l12 2q bvqfqif,x0-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 limjehn,dkgk.vxp9):0g ;mr 4ijfp*a,uited to a length of 20 cm, what is the approximate focal lengtvp9;fgd kkp 4g,)e:0m ur axni*jjh ,.h 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.+ak3l 9. wwxrug:r,thwm24u z 4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is t9l:3ur2w, xw.wk 4 rahugzm +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 ob/ hq-3cflwobyca8,,8 v4awy ojective 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 -yb o4yqwla,f 8 w,3h8ca/c ovmm 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 3.00 mm and an em3w,z c6teu yfvswh5,k+cy;:yepi t;uzcs, kcmf y:evw56 hyw+,3ece 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 arfj 0ro*w6po4 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece tf*0p ow6orrj4o 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 Or oc5 1ixii-vqszox8fj fjfwk4m )+4- 2ion 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 that can just fijq x2o 4ic84xm 5zwoijs- +-1v)kffresolve 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 apart9+yrkmwmds y a *v 7t5,f p9vv3kh6 fw2,l;mks. If the focal length of the objective is 4.0 cm and the wavelengthkfmmv,y kfshwrw7,vy+d*lam k 529v ;6tsp93 of light used is 550 nm, what is the diameter of the objective?

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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 oacb ajtza+s,5 +ddit1 o.2hj5f 3.5 mm to 1.5 mm as the illumination is increased. By what factora+ota iabc2 t5dhsd,15+j.j z 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 Space7jv;qh ikp5x6 f4asb( Telescope has been placed into Earth orbit by the space shuttle. What angular resolution couldxbk( f6 i5;ap 4v7sjqh this telescope achieve if the wavelength is 500 nm?

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