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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://mail.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://mail.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 i3fyrpb+ol 0qdo m4i0,s open and the film is exposed in a camera is determineryp mib,0do4 l f0o3+qd 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 is determined j72 t1. wha8 akd)bmuwby 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 mw ydev-l52:i /,wzy*jzpk6dlex camera the lens-film distance may be varied by sliding the lens forward or backward with respeczpdw5j:dyw/m e2-*i6vk ,z y lt 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 corresponds app0v3 t; cs /ny5z fyowhx6.i2sgroximatg0 6xc 5.v3 /h2nios tzfswyy;ely to that 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 t9 yqqzr7bi0 a6o 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 t9ay k. wqb3l)g3fyz,that of the eye and through which objects a3ab .9q z,fg3ylykw)tppear 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 i /btp/q2z1xmds 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 boxxxa 5il8:7 sy the 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 clearln;gpgf (;f4cby 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 whqq73dsgdakq9p 93fr4ich an eye can see 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 les+8b(weu kspir4*5to back, the person is likely to suffer (wse4p*be+iu85 krls 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 correcte *w 1w0ppfhnn-d 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, thii)pjrl1zb .u;b1e pq(s gives rise to a vision defect that can be lj i.;1bp1zr)bq pue(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 too short frhy,i,rx ez 7zgb5+ 6tyom front to back, the person is likely to suffer fzz56, yt e+hgb,7xriy rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can u ur(8ebvhyzeie/ l-95sually 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 rid *ms;ac.kz 70gta ,yise to a vision defect that can be 7kzsg*ma y0ctd,; ia. 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 magnifyi+uy31jdyy *wlba 2ts/ng 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 objective w+:+qgask 3au in an astronomical telescq 3kuwaa+: +gsope 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. uh5+u8)ktc i x Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will8ti xk)c5uhu+ 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 unifoa u-g)x2k6fc brm sensitivity throughout the visible spectrum, in which of the 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 f62a xbgkc)u-used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telesco (vgz l ):ck5zr0yj)ubpe 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 y8kkz db w1;rzr:a;;i fou expect to be able to see the greatest detail when using a microscope?zb18w kz;d r;akfi;r:

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffersswzybe3 nay67h) ;i0 from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer2.9pf;.wtwduq**yyxgl 9x h ;o )qrwv 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 mi)8ecq )kqo - eojex b*l9iys ie2f7:l:croscope 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 ha1akdt u5)w5i2so2f w fppens to its resolving power assuming that all other factors remain unchangeu wft sa2i55 ok1w)f2dd? 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 ofv .dfq 8.tkbx ls.6w.dvh x62l 18 cm. What lens (in diopters) will allow this person to see distant objed.wlt lxdsv..62vkf8xb. q6hcts 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 thapfk173 22 o 5hi/so 9xtyornb 1nvicl3n 70.0 cm away. What power of lens should be prescribed if the glass is i39 obyst3kon27h /5ivpxr1onc l12f 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. What(for7eetht ..8si v82sylgx1 is the person's far point ifv s88fer it 2gxl1o. (h7se.ty 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 farsni vb + (m6*vnmv/ykg)ightedness where the uncorrected near point is 75m +(ykvmg 6bvvn*)ni / 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 glassesi8jh acz* v0cxt--y7u close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is reqchtxyc*ij v78 --uaz0 uired?

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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 2*v b z8 z2ufks *2-j(qcz.obdf5 cm from his eyes, if he wears guzd(*f8 cvf.sq2-ko b zb2j* zlasses 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 bsmjp0w0ta*0*krd k) person has a near point of 25 cm. What is the magnification of the lens for thatak sbp0m* jdk*w00t r) 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 focajk2yi buuksjr699/ g*l length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their near b9y2jki/sj *uu 9g6kr 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 mag7cg l yjn2k77vac iu3,nification if the image isy7u27kg acc,li 3nvj7 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 qa34ymdvcc k-zu3 +jy;lc2ci xz949w of focal length 5.0 cm as a magnifying glass. What is the maximuj92wcz l-c 394kyacux4zqi +ycd3m; vm 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 a9a9sc57*sgpf bcsm /g s a magnifying glass. What is the magnification 5cs7c9/sfsbm pgg9*aif 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, 8n*- ojb5nekm5;qs wi0.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, wjw 5n 5;*qimbk0nso- ehat 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 o 4fi-uqnxch7x6/o v 7:nia6r4 wop*p xf focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is t:4xorhu on7i/c4 pwfx *i 6npax76vq -he 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 t9ihi lxyg b9au726 o6lelescope has a focal length of 200 cm and its eyepiece has a focal lenga99gull ibi676 2yo xhth 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 magnification of 10. If67n *ngox*q 4km4ks3 c:qgek -z4iuik the : gx7cquz-4eki4n3k6kgkim*o*4s qn telescope has a converging lens of focal length 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 astvuei(br(5xuf )r sh4;ronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, wf(r h)exui5(; us bvr4hat 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 isigbj9pp .s4h . limited to a length of 20 cm, what is the approximate focal length of the obp .4jghbi9.ps jective?

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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 /qsa+an65 vu cand an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are tns/a+auv56 cq he 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 le, 86xlbc/ygef ns of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sam cbg,l6y/fe8 xple 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 ft4dm9 nn.3fl cy:towk2st-v fj )4a/local length of 3.00 mm and an eyepiece of focal length 6.00 cm. If s v/tc2n l3.otml-dwyt)fnj4fk4: 9athe 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 8 vy96 :mnk d/m0 .gfjesi,wytcoq )a+barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to give a total magnification of . jm+mf 8qwd)an y,6t9yci sgov: e0/k240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star systemwgm +v0j 3 0g/csdv6ds in the constellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the systemss+ 0dm j0gvwd/g c6v3 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 objects which are 0.010 mmx*o t 3:nkbu*drxe f4+ apart. If the focal length of the objective is 4.0 cm and the wavelength of light used in xr d 3oetfxb4u*k+*:s 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 mmeix m9v419 chk to 1.5 mm as the illumination iv9xmkic he 149s increased. By what factor does the minimum angle of resolution change?

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51#
 
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  The 2.4-m reflecting Hubble Space Tesq822/ dbcs3 j6gvfz qlescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is826 jq/sscgv3b f2d zq 500 nm?

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