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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 the film is ex8s gdf:.c-ag e b7n+jcjp7v ygo, a7e(posed in a camera is detevsgdopj7gbc c +a -ae(e:7fgy j87,.nrmined 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 inpwrdky*nylns88. y) 6m x:f* u 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 dissf y9.n-4l gciv2 y4s/ w 5aqfubea/,itance may be varied by sliding the lens forward or backward with resge,/sw-ybfv i5 2 9anqyu. as/cl4i4 fpect 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 correspomsgt52.*y d tbnds approximately to th*2g t5 tdbysm.at 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 magnify images is referred tojh1k:tyo ,(4 lcmo*e *rp7vqy 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 covef 6gpclokc- w3*d-ih1fih/i- rs the film with a wider field of view than that of the eye and through which objects appear smag6h/kf*liwif- -p-i1 ho dcc3ller 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 dm2luh 4.7*(w wxzxin is a camera 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 occunzct(//-r3d:l(u4vassi yh*cx t7j ers 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 objec-qjnu pp4bp19 ts 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 obtw cqcx;xp ,bwc9 + sj.poa)epe p5)30jects 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 person is likely to s 2-v p)dje45w xv9vpdkufvxp2k59p4wv)e dv-jdfer 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 wit q7:cntbxrp9jv7n+ (z x)b/p yh

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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 fron m2x 2/v+hkvqkt to back, this gives rise to a vision defect that canv2 mkqkh+/vx 2 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 toic z2*zmc31 tsce+/ivo short from front to back, the person is likely to suffermc/ts+ve ci23 zic*z1 from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usu78kl: zq6a udrally 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, thywvq 3rrq/a9kl w5 a 5.av05bbwfq2h*is gives rise to a vision defect that can ra2kqlvvf/5a b 9q*5 wwh0bq 3ar 5wy.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 magnify w,x;s(znh *zwing 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 o69 rn/w *ndygrbjective in an astronomical tey g6rrnd /*nw9lescope 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 1x4gt. 6qjy fcuq fa.2a refracting telescope. Suppose an opaque screen is plaqq cu6af.f. yg2x41jtced 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 usewht30z 5elxldf ka.1* g;ff .ud has uniform sensitivity throughout the visible spectrum, in which of the following cases would you be aw z h1 0xft.al*ld;. gkuf5f3eble 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 ha*).m+kha8 y:ci bjrev s 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 the greatest de drv :q5a.;s+0)sdyp wcwj u;ktail when using a; cwq:a;suvd 5+)wysp0kdj. r microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffzmq9 b ;nl.b4qdq9iq ux;h9f5er from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffkk4sn+b ha.mny hp*alw9;x39er 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 th cg fa7)td1-4 qb(zrvhe 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 )4q to*w, k-9rlfzwncgv1 (o bresolving power assuming that all other factors remain unchanged? Its resolving powernb4*1rk ( c9ogq )zvfowlt,w-

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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 lentf(yf3 - 9*iwyi(nk2dgq f4xhs (in diopters) will allow this person to see distant hk*yd xy3-qniwg9 t(4( ff2fiobjects 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 o0h(cilw p*xx2) 9e4-u svqkbdf lens should be prescribed if the glass i2u-pqe*9xhcvsx d)i b0 4(lwks 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. a ,v vfxp1qis:l 8(6fz What is the person's far point if the glasses are ver6l f(f q:, xivvzs8a1py 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 nhhv2(m*h)sn; lb sy s*eeded to correct for farsightedness where the uncorrected near poi)m * (2vhsl*h sbhnys;nt 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 glasses x7tm+yuoh5 m dvs89.hclose to her eyes, and with them she dot .hh5vmu x7s m8+y9can comfortably read 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 canl +n s7xo:l0+m xl*j3ancx: 1quhv 3m from his eyes, if he wears glass3ua7 mqn1:3: a llconhxv+*0xnl+ j sxes 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 10 cm. A person has a near point r5my 2+ (f(ohhnsla(7v2c ww rof 25 cm. What ifl+r7hhy w s( ((v5n oca22rmws 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 :gvvf1 r -/bkdiz9d.t6ujnt2. A person has a near point of 25 cm. What i9z tf:/rgiv-t2nb1 d.v6udjks the 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 lxy* +gq3w,0i 0ee+gbs utbth(ength of 7.0 cm. What is the magnification if the image is viewed by a itxsb,0gt(30y+qg buhw* e+ e 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 glass. qde-:9hu 5 cfw What is thcu9-5dh:wef qe 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 focal length 5.0 cm as a marvwkd c* il731dv i5/-mi(ztx gnifying glass. What is the magnification if the person's eye is rvick5(vxt md 1-i*rl37 dw/zielaxed?

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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 focsap j;::og +uoal 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 a telescope, what is the maximum magnification you could gu;o + o:jas:pachieve?

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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 le:s no-nywjqvu* k(;h,ngths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to usk s *v:,yjw;(nu-q hone 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 of 200 cm and its eyepi f7 cgflljp.-3v+2xf / gy 6rdgx-1hkxece has a focal length f /6-xfg3x l1-7 h jf2+pdxkvglry.cg 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 telescoo;v ydeas p5pc+07-qxwti/y : pe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiecw7eyo0+q xictp5 : -v yapd/s;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 tezahz/r.afvfi ptk9t( t8. 4pd4 bk15rlescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cma zz katkf4pt9p 1.td rr8h5 v(/bi.4f, 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 length x;ul (dm 9*ytlof 20 cm, what is th u9(mldt;y*xl e 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 focal length 1.4 mm and an eyo 83bpgmi5sw: 0 eo-otepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far ap 8s 0iem:pgbo-ow5o 3tart 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 l2g fu+slnx8 2dhf1p3m ens 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 the objective1hsg8ffm n23d+l2 pux. 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 fo v4fgy)mcn81up6 i(a(/k lvvtcal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are sep t(8klvvvf4ay) 16u mng(ic /parated 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 f.i0ursn;*u0 hh8, dupgv7vwcocal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnifuu u0vg;dh*cwp8 nvh .7irs,0ication 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 separam70/nro mfp4n tion of 10-5 rad. If the wavelength of the light n m0o/m7f4rnpfrom the system is 500 nm, what is the smallest 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 obje)vexns (wb0jn:nz6 fg:u9mq4m7 ey *bd6 z0zbcts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diam9z: f :wmn m*74ezjbg ue 6vqxz6bs0d(nbn0y)eter 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 of 3.5 mm to 1.5fl yij* 3vk46w4zd)hscxd pp/, q +-me mm as the illumx* e+q/)l3h yv4spw j ci4pf6k-dd ,zmination is increased. 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 Spac qqf1wh a*wfsm6kcm2om5-(w 3e Telescope has been placed into Earth orbit by the swm mfkm qswca3q-(6f2 h1wo*5pace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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