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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 ruytb j00 8 wyd(qob2(shutter is open and the film is exposed in a camera is determinebwy2(d8 r (jutbqy0o0d 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 camera v0s1d44l;rw4b vsh;i) vbz ucx (+kexis 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 sli:j6)zd h f;vbeding the lens forward or backward with respect to :hde;z 6fbv )jthe 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 c na9)jk:+qln qd7h; aiovers the film with a field of view that corresponds approximately to thq na:)9+ njql; h7dakiat 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 teles:xf* vzg aftmn;8exq(k )p/4s cope 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 3 q. qhonw.xin2rb40o of view than that of the eye and through which objects appear smaller is referred tq oix02.nrnb. wo3 4hqo 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 the87 wk:fvqyi p5 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 th6/k yg3t; tysse 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 can see objects h ,uqr6w p,x(v wf:vgib +5ct 8+ymv*uclearly 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 clearly ii 0 fgwz)ua4d4o*+ 9ceazhb6p s

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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 fgtu5kiym)8n d y+f+-v f2jb6rrom front to back, the person is likely to suffer fromb i+8mgj uyyv256nr-f+dk )ft

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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 wlt o6/od,*,z.p rno foith

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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 mj5n,k;i pr+t iap2)ey 3il:a 9icdf6 vision defect that can be cor)p id,+f36;ki:jeltrcpiny9a5 ia 2 m rected 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 to;st e dcux)bc( a/ l(s44n2mzp-; dfh9o6gc alo short from front to back, the person is likely to suffer fd-/ e zs( hf)4m glu9p6cs2caxcl t4; ;odba(nrom

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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 corredzncrjb 5ix u9((+0 ..xuibx octed 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 g.v t3s.h4sj nimrgk18ives rise to a vision defect that can be corrected by usin .n.jvkt rss481i3 gmhg

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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 magnifyi3*a *en0o doa) ;aszoing 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 objectivpu d+-jdpp1 6)ev9nkx e in an astronomical telesckde 6jxdpnu-p v 91p)+ope 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 formesrr )hq 0hne:h cpuz fm85...vd by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective hrcuhf s)zrn. pq hevm.85: .0lens. 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 harkgcfjfo:bq a,*8b*d70 jc6k9 b fu/p s uniform sensitivity throughout the visible spectrum, in which of theb bgo:k79*arp 6 ,fj k0q8fcubd *fc/j following 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 telescopegb0k ct s8ma4) has 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 seevoek6/a9+ ;)oaa ( y)/a/fdwdkuxwiu 4uc b.j the greatest detail when using a micr ba+(a/wio.d/k9/ d e;uuak6vw x4j c)f)auoyoscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromufjv j/)k4c ;j

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su gfj,c ec,b1 gc0lkv,6ffer 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 rloyj qh f;8 -/sn1mo1refers 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 double)poqo cb4wn1ku;2g-p) 5t zlxd, what happens to its resolving power assuming that ax) ql4z)bo-ug12wo; n5kp pctll 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. W)e0rn tz -e d84 ,6dc/vxcjsgqhat lens (in diopters) will allow this person to see dist4qzdnc), 8tj g6xse rvd-e /c0ant 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 cleakw :x.yku 9x5prly objects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be:ukpxx.kw9y 5 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 ofglkx,m* rq +qks0j-s- -0.15 D. What is the person's farkl g, q0j-xmr-qs+* sk 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 correct for farsightedness wf5vwaeu /g 7i5e f9:huhere the uncorrected near point is gw55efe hu7au:v 9fi/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 yk2mo2suz6 z-+vw/8mljjbtj; 4cy2x is 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. y4xmy82mc2+u 6 stv j2zbj z;/w ljok- 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 cm6 jil.08lap ff from his eyes, if he wears glassl 6jilap80f.fes 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 hauzlxjq22 o11r2 z(5kgpy,mt(in, i7uza9c vk s a focal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that pers(r,yczj l znipq( k9,xziakm2 og112vuu57 t 2on 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 person has a near point of 25 6y hqhw)p:-s icm. What is the magnification of the lens for that person when thypiq: w6 h-)hseir 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 fzp f2*e6t9dje h lnq3x( -*steocal length of 7.0 cm. What is the magnification if the image is vz*jn39sdltq(e ehf-2*e x p t6iewed 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 ln et7m::)4 paiz loto:ens of focal length 5.0 cm as a magnifying glass. What it7 az)e:lnom: 4:iotp s 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((kki hay ga(, of focal length 5.0 cm as a magnifying glass. What is tk,ga(( iy(k hahe magnification 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 2.0 cm, 4.0 cm, 8.0 cm,m(6 5ys ynbwo/ and 16.0 cm. If you were to use any two of th5m(obw s6yn/ yese 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 leng*x79mgn5 ahnbv u(oy4ths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two*xv9n45yuan7m gh(o b 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 v- y :(vn30icga/rn idof 200 cm and its eyepiece has a focal lenv ( n/yi3vdcag:i-nr0 gth 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 magnificatpmfl19g)()ibdahl ; eion of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal leng)d9g; 1empafllhi )b( th 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 telescope with:y vhnwe crh4a *-6ti1g,p:ak a magnification of 10. If the telescope has a converging lens 6t y1 :gcaa:np4rkihwh* ev,-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 telescope. If the telescope is limited to a vzdcp l1f1 pmlgks8*v*: ,2zflength of 20 cm, what c1pdlz1s:fz*gm lv* 2p 8,kvf is 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 focal length 1.4 mm and an3uu1o yq z/im-cmn+. k eyepiece of focal length 20 mm, adjusted for minio . qumkcuiz1ynm /3-+mum 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 lengtmu tn,zixjn h5-9 0rt.h 1.4 mm and an eyepiece of focal length 20 h im.r n9t- xtjznu5,0mm, adjusted for minimum 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 withy cd62/yn9 vhgv +;(jywl5 jmd a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificatiyjj5 ylc/( d;+9nwdv vm2h 6gyon?

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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 a pvs9 nb29i,hw3n -ctaa9o cr2n objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to ah 9n,w9c3a o si c2r-9tvpnb2give 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 conk+b1yp x:ckx6 stellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is:kkb61yc +x xp 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 w0.fr(n :gjlo resolve objects which are 0.010 mm apart. If the focal length of the obje jgo0 :lf.w(rnctive 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 char5c 8d d)f vp6un ko9s6s-6oj;kk1 dsbnges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolutdb)of;6 9kk srpdou6j6cksns1-v5 d 8ion 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 placed into Easot nia/l( xq06;vn*9u z/hhgrth orbit by the space shuttle. What angular resolution could this telescope achieve ihz lhi/ *s0nvqa;n6/9 guotx(f the wavelength is 500 nm?

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