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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 l)t4.ivmy c )gis open and the film is exposed in a camera is de)c i4 yl.t)gvmtermined 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 cameryyu aj,,dv9shtk, 3j6a 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-fs)/63km d-ih umu7as wl ;)de v.fbbt)ilm 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 means th ;bkum 6ew3s/htum).d)d-ils )f bva7at

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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 ;u j s1+fx ke70j)o /pslj)- tv,dbxzaview that corresponds approximately to that of normal vision is - 0ekbx)t1,;l)j a/ups+7jsfjz vdxo 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 acqc;e o/ xk:,( kfszbd5i2)ksrts like a 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 wide 9kpmp g39vbf9r field of view than that of the eye and through which objects ap93kg9 f mp9bvppear 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 diff83 -2nf1btqee* ic*s0(2x mncxrv rvserent 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 theom:fap*74c8 *r3/nxc u:meo1vrtjm o/gos 0j eye 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 ca)c; us .iuy6 *n35 ansuudir2fn 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 which an eye can see obj2cnn:x7w6m/kyal4gza7. iekuq :xz/ects 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 l gv7 6drfrb9j2ikely to suffer fromd 69gf r7b2vrj

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usuaba;3. 1dz2vaeic kiw.lly 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 vins 4h:6f eizze *s2uy9bpy3lv fd3s63sion defect that can be correctedd ys 4nsle zz6 s3:39ubpf32eh6 iyfv* 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 frontw : xnp,fsagkrdp/,8h 29kqjnq,r1 sg; u(.eb to back, the person is likely to suf,1;w.qar (,k9e8gp/ ,sfkh2 n:bgs jxrqdnpu fer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usn5i1hfh,0n hfy 4h2kkbt( t5llvn38kually 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 sh-dy)/ qrahm3gx5*h ,e(2pay t7 a aaxbort from front to back, this gives rise to a vision defect that crd( aah52xa q3h)y /bepgya -m7t, *axan 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 magnifyim +qec34f(h jka mowii- v.1(ing 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 objectivxyf ibtsm;2 28e au.;;4 ;spaoeswxx*e in an astronomical telescopu;x pfa2owm ;y.sse28esbix4 t; a;*xe 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 scree 6qg:(g: rss3y5o*:yfshbtmin is placed in front of the lower hal(g* s6y53 iq: gtrbsmyoh::s ff 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 sensitivity throughout :kz fdhdp3l -2the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens refer-pkhlz2:d f3dred 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 mht/mi) *ahdb- ,+k aq4osxy1t agnification $m$. 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 ag:v4izgw-i6u e gv v:1ua/2p ev. o(ijble to see the greatest detail when u v2uii:v/e .(v agig -w1opu 6gvjez4:sing 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 suff i.gptj :tt:::e ki2yner from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffv 1kx99d(y5 wdnj mdz:er 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 m z 18v mo,lxrm2,wic q)-.bnkhicroscope 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 hai6-)xckfh)leq+g5lz wq:-zf ppens to its resolving power k6xhwf l 5)e-zg:-q+fi)q zlcassuming 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 ze-8b(qn:x h- gokqw*rsjs/ 2rg j: *lfar point of 18 cm. What lens (in diopters) will allow this person to see distant objects clearly? lxrgjr8:2h g qw* zb: oeskq(-sn-/j*

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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. What3w9hqs ) 4ljxwjoz lu7/r9z1n power of lens should be prescribed if the glass is to be worn 1.00 cm in front nuwqx/ )l ojhj3swrl99z z417 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+ x 8bdfd(vf( q6a6trh .yny,b power of -0.15 D. What is the person's far point if the glasses are very close to the eyexnd(y htf.d66(vb fyqar 8,b+s?

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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 needevs sbhjia.: e05,iq; 1ajcc.ad to correct for farsightedness where the uncorrected near point:.ajc a;q,v1hc0beai si .5js 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 ismncr76z) jltkac856 y 100 cm. 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 pow n) raj86l57mcctky 6zer 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 cm from his eyes, if he wearnvv4x*ey) )lq s glasses o)q*ex yln4vv) f
+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 persof nxyoz dj (1dz3z5y51n has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are fzyodd31xz1 jz5n f(5yocused 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 fo6e(plery2t0crcw g 39* zh4bhxc(ioi-vf ,s:cal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the leni0z6 xb :o2yi hc st-gwc l(e43rhfcv(r9,p*e s 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 length of 7.0 cm. What is the magnification i 5p dmra3gs0g+dy v))nf they a 5gp0gnr3+vdsm)d) image is viewed by 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 ;gb5m*3emu tc)5tpzj3d oc ,z5.0 cm as a magnifying glass. What is th5 do3,bpm)m3g;ctt*5zu ejc ze 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 magnifying 9, gy 4jcv2yrgglass. What is the m24 gvcrjy 9,ygagnification if the 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+d35jhd s3l 7*a d:c3axlny4lblh/ es 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. c3yal:4*d s+ se3a 5l h7j/d3xbnll hdIf 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 focal lengths 2.0 cm, 4. m6j,8xnlpw 9.yyb m/m0 cm, 8.0 cm, and 16 cm. If you were to use any . nmwy/9y6,pjxl8mm btwo 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 eyepiece has ( ; qs1jwwm w,jk-0+gujaa;ph amja0wu 1 -p+j,ws( kga;h;jw q focal 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 xx;mr/1q5 ztd astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepxd qm /1z;5rxtiece?

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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 teles1fz.ajnc)lg1n cid- +cope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lengg.-)z1 1+jnidcnc fa lth 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 limite k *oet lo*.sk* jojj3wdep9nr+b/z52d to a length of 20 cm, what is * t zpr.*/s jook*j2ob k jn593w+eldethe 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 a ,uw;a sxyz jvy44gjob1vxp 7zr28/flp+94lfnd an eyepiece of focal length 20 mm, adjusted for min, o;8u /f4jxv17zz 9 +pj2lgb4rs wpx yl4afyvimum 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 objl*riur zxz;se)l* c (;ective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimuizsrll;)uc; *z*rx(e m 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 has an objective with a focal length of pahp(egi nt t 8):kg(3b)x2yhda+eo3 3.00 mm and an eyepiece of focal length 6.00 cm. If the two le)(8a3geba) ogx p 3n(pe+yki2h h:tdtnses 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 rkg ojn6y*8la n6:se bb7kpmkj 7;1:pwith a focal length of 8.0 mm. What is the focal length of t178ngm :pokkaep* n6b:;rb7 jkljsy6 he 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 angular separatio9enj qs9.24cj(.ek8a9a th i gfmmm2vn of 10-5 rad. If the wavelength of the light from the system is 500ta2mf 4 jnjcs.eki (am8m99e g .9vh2q 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 ob0y qd9( pi+3 1qsxdjlwjects which are 0.010 mm apart. If th qy193liwx0dpq +j(sde focal length of the objective 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 td 3/edw3 f3ikho 1.5 mm as the illumination is increased. By what fakid 33dhe /w3fctor 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 has been placerro kn,zh(b( 0d into Earth orbit by the sz hb(,orn0( krpace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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