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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 ohou mi0;0l3emh-i 8 xbpen and the film is exposed in a camera is determib0xelim3um i-o;h80 h ned 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 ca yphr ;8 tkg/)b+2f*kndvf k,tdp,q 9xmera 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 ref i *-jdin ko638j*- is-dobq fmo(o:nilex camera the lens-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 means6 q- fdoki* bj*n(io:s3j8 -ooid min- 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 corresp84hf hsg- -q2 k:pdlrionds approximately to that of normal vision is referred to aq: lghfid-rk2-sh48 p s 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 1jyn5kiurzy - dbw 4g)5 56ltlw6o3g ta telescope to magnify 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 field of view than that of :ycy ;w2ff mw7 v0lzu1the eye and through whicwcvum ;701w2zyy l:ff h 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 ie4gciic7b x0, s 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 occurs at thenar8m v mg-p,i8dr ath)x3:4 3s ngz5w

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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 clearly9xej6-wf z4h n 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 objects clearln)n iq,fl)wx fa8 n-k0y 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 fromshf2iafft80 5-xqt 9m3+hx lu front to back, the person is likely to suffer fr q0au8i2 ftt3xhfm-5lfhxs9+om

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can lrs7haq2mem//fr 9(h usually 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 t6h ;e2*6rg g*ebo 5w;cw vqyfvision defect that can be corrected ebwq 5*t hegovy ;wf*2c 6r;6gby 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 to back, the persol v s;gj fjva;mn.((v4 n7bbf2n is likely to suffer fvbf7;n2bl4gs; vfm jn.j va ((rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually+sr +ylz t27.q,eya as 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 8dn5.83e skzuj0ioys:kru2 pdl: ,n ofrom front to back, this gives rise to a vision defect that can be corrected by using0dn:z dnseyo8.:uk2 i j3ls,85pkur o

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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 glas nd20a6-v*mn oik.- jb2yw hsks?

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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 o-.pjtq9r8 pqq)yxa*w bjective in an astronomical telescope 9)pw 8. ar*ytq-pxqjq 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 screen n(6not9 lg: ;evdpdb eap gb26a9 mk1occn5/+ is placed in front of the lower half of the objective lens. k/gbp;6vond19(a+dcbo2t 9: ae engl5m p 6cnWhat 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 thrner79udoc2w b)ry *p7 3ht+ih oughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referredeb)y do7rt92nri7 +hcu3h w*p 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 aj seo80f909 yqxr0m af 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 gxytipf8 6, yg+3on x8v d gk-3jswsk0)reatest detail when using a v)y6o gi8n3gdxpwxtf8jk, 0+yk- s 3smicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frrsivnoi2xt4mbn l0 ,um1.j d/ (8 (wiyom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frol-3v2ibj p,qy m

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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 microscotpez;77hx w(d pe 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 radar dish is doubled, what happens to its resolving po2 *ilovp5me wk9m .z9jwer assuming that all other factors remainpz*.i5m 2ewjov9klm 9 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. h wm2 x0r+7rzxge x1v9lo)q*q What lens (in diopters) will allow this perl)r2h1go9zm*q qv+e 7wx rx 0xson to 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 objectpzda+/nv/ uq:s more than 70.0 cm away. What power of lens shouldz /vda pn+:q/u 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 haver0vf ut- ju;f. power of -0.15 D. What is the person's far point if the glasses are v tfr-.;fv0ju uery 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 farsightednesspw/oppe: / ,wj q 5e(qflhyzo/+pd18l where the uncorrected near poi,d8/1hpqzqe lp/(wyplj pw :o +f/e5ont 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 farsigh59uzf uk,3w jhs5wf: u5r a9syted person is 100 cm. She places reading glasses close to her 39u,y5ah: f u9juf5 w 5rzskwseyes, and with them she can 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 kiuevw76fp 7lp9:tms (r(j5 cnewspaper held 25 cm from his eyes, if he wears glasses ocj: isf7t759 e vrkm( 6l(ppuwf
+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 cmzk+srsgf:4/ 2 g-lthedj0e4f . A person has a near point of 25 cm. What is the magnification of the lg: +fh el4f-k240 jztsreg/sdens 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 persox75l4f raar o)n has a near point of 25 cm. What is the magnification of the lens for that person when rfr)lax7 ao45 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 lec5:.xlq -pw.wc, itdbngth of 7.0 cm. What is the magnification if the image is viewed by a relax bw,liw5-tdxcq:p. .ced 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 cmndc89iv g l18o.-cgzq as a magnifying glass. What is the maximum possibg nz81-clqc89vod g i.le 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 magnifying g dwi9bl6s fx6si7tqj0g9cedq9+s1h+ lass. What is the magnification if the person's eye is relaxed i 91j6x9 dldfss gwh0qe6bis q9++tc7?

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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 fo:osc 7tax+3z 4nn1gxbcal 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 a +nac1b4o:t z n7gx3sxchieve?

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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 taxw3a.z6(kn cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope,k.(ztx3nw a6a 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 l3soh, gb 30rfe5tl..ntvs-+ n j*o luxength of 200 cm and its eyepiece has a foc t*uhx3b.l0l .5vsen3nft r -j+ogs,oal 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 telescopqqv ,q z156dc.sj1wvde with a magnification of 10. If the telescope has a converging lens of focal l5qwqvdcdz j vq.,1s1 6ength 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 astronou0bmqlis4z5.8a2g 5szra k0 umical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 gzbq.uaizk580rl024 5sums acm, 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:udy y7wpfv-oav6t, 2(( w tme limited to a length of 20 cm, what is the approximate focal length of the objective?(-f vo7 y(yuwvt6m2wa :ptd,e

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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 aqd3d1o s-q rc)nd an eyepiece of focal length 1o3qqsdr) d-c 20 mm, adjusted for 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 objective lens7ri (n- w 1a2apo-o kr/vut(tdols-.c of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for cprovwa 1od ( .at-ns 7/u(-l- tik2rominimum eyestrain. 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 f/tsbs9fxp9 qn- tm4oh-* q0phas an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If thsfmt9p/to 4- xq nfhbps-9q0*e 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 v-7* jj( )s mixzd+ l(7mtltn/qxrw.qgw01tj length of 8.0 mm. What is the focal length of the eyepr.mg+lj/j(wl (v 0-7xnwt7q z*xqi) t1 dst jmiece 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 angular separation ofayj0(4 . qwxcql),jtj 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescoj.4qyjx ) c0jl(,atwq pe 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 whirrwv9ey b 78k2ch are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550k8 ver7by2 9rw 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 n*zmu ) i:ftarp/ce5*mm to 1.5 mm as the illumination is increased. By *mi5fu c* ar):et/nzp 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 Spa o72isyq;9(w 2kaxjag ce Telescope has been placed into Earth orbit by the space shuttle. What angular reaokwx 29sg(i ay;qj72solution could this telescope achieve if the wavelength is 500 nm?

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