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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://autoconfig.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://autoconfig.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 open ,08 pbfmod3fl and the film is exposed in a camera is determinmfb dfp 83,ol0ed 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 io:c. t+r(jxbw95o2bkxlmj w; s 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 slidh 1:h(qak)ej ding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtaiq1h(ajh:k de)ned, 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 apj9na o4z1 cq ykw7zduw7su hr*o pr6cj2;*z51proximately to that of normal vision is referred to as wr cr6;97oh*4 pjjz*2 71o1w sucda5z nzyk qua

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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 telescopej+if5h(o5 9a8lqdzwz 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 (x hm3h5aheo.z q6p)mof view than that of the eye and through which objects appear.om (ph65exq ha )hz3m 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 cameram 5 vsqjawc/qhu.o4)zh r.7k1 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 m gty(vq; i 5bb-h4l 8pg,xn3roccurs 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 cleewx 0pgfqg6mfmc 5: .;arly 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 whwkqqd71cblp6:uf 73p yf m 2z1dem35tich 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 fro0u m;ff*e1b5my bji-xm front to back, the person is likely to suffer f01j*b ifm5 xbyuef-; mrom

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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 8ijo;x3qvv y /g,z1jth

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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 giveslu56sz( hc*a i rise to a vision defectca( s*ul i6z5h that can 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 eyebal qc1do-/+ov23b x0w bibd 1nxol is too short from front to back, the person is likely to suffer f0vq1 c-+ xbnbdboi /32 wdox1orom

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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 4r54: wezj wqicorrected 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 fvhoj1e05oal4g,o 6netsoh6r t/ 2,qtoo short from front to back, this gives rise to a vision defect that can be atqsoh,6 hot4ve6f1or/eo 2,nj0g l 5corrected 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 magnifying gv3lr4 wlq5)bb .,oa yblass?

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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 in an ast p7vlw48n9 rejt *rlwnu/r3e5ronomical telescope ep/ 9l8* 7rrrvuw4en w3tjln5is

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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 s lja,fmw0 z7hhf4 (j5a3tnbu/ creen is placed in front of the lower half of the objective lens. What effect willjnhh0t (f5/fw aj3, mz7a4blu 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 w nrxir-0 8k .lqw- -8wod1+trgsv 1dxuniform 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 ul 1rnwdr1x ik8.q-x --gwv8s+ 0wodrtsed.)

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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 mfk von7f+m4(y3 wnw .kagnification $m$. 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 thek2e,6m 5xmeo h greatest detail when using m5m,2 e xh6eoka microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer *. dnfk 3*um(sftje2ifrom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suff1kvfv gq*/*xp1h neyh;do j: *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 microscope refers to the absa7bb.0f p6cgbf i+ bra04)czility 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 ra- n zafru0cu5f.160yxg 1yeiz dar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? .ra1 - cy fizgeu6yfx0znu150 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 a9x/x7 trm 1mnfh0l0b h far point of 18 cm. What lens (in diopters) will allor/719x00h bnlm tfhxmw this person 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 objects more than 70.s5alal l0pf4ah10u d (ji *jfp; sl0n00 cm away. What power of lens should be pres4 laf l a0d hp(l5i0;l00jsufapj 1n*scribed 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 have uw9uq0 n;lq; xpower of -0.15 D. What is theq0n;quxuw ;9l person's far 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 fauaa*wf3 w0 )e 56m ugny0ghu6prsightedness where the uncorrected nea* 3umwwup u60neghaaf065gy) r point 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 farsig q2,*1ilhzu zihted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a dz2*i ui,lz h1qistance 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 re.69tv fizcde.sf3 pz 2ad a newspaper held 25 cm from his eyes, if he wears glass f93t ez.vpczi2f6s d.es 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.mqn ,rn r4m4e,9 9todu A person has a near point of 25 cm. What is the magnification of the lens for thn,4omd q nt4e ,rr9u9mat 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 person ha pkq8kfk8w gz2. hfv-v56 n8fxs a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at their neakhw 88 q6 gzkxpf5 v.vknf-f82r 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 mro/my j+d ak)3d/z5 ;asvj ld0agnification if thej)k amo0 /+ldjv ;3d/ysrda5z 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 focaj/dwqq6c a+v: l length 5.0 cm as a magnifying glass. Whaqwdcj+q6v / a:t is 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 o 1/l l(c f4a+vyel:sunf focal length 5.0 cm as a magnifying glass. What is the magnificaaf1:y / uvnlll 4e+cs(tion 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.lpcc ggx0u3k3 3:e)ckf w;ua00 cm, and 16.0 cm. If you were to use any two of these lenses to bulc0wugpfgxa;3) 0u3c: e3kck ild 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 foca4tr,7/ ,yr or2m c i/.ws/ tlltcobjz2l 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 the lens separation for the maximum magnification telesco o, z/ct,jor/i7ywrbs 2rlc.2mt 4 t/lpe?

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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 b(k rfb+4bcp:a focal length of 200 cm and its eyepiece has a focal lengt: +pk(bc bb4rfh 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. If tru gis)z-sfc2e3u5 av l64 :dehe telescope has a converging lens of focal r lu2u 6f4s)e: gd-eaiz35 csvlength 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 astronomic++ ymiz;goar1al telescope with a magnification of 10. If the telescope has a converging lens of fo+y;1 o+ amizgrcal 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 limit3 l*uom3o bmmj8 -nh2wed to a length of 20 cm, what-w m*3l2 jumo38ombnh 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 le m93h)u pjeb*kngth 1.4 mm and an eyepiece of focal length 20b*jh ep3)m9 uk 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 lens of focal length 1.4 pzd3f8 3dsdi-mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample isdfz 3d8-sd3 ip 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 a 4c(hk ,pmiu0seb(qe2 n objective with 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 t2, q sbep0(cki(eh4umotal 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 +l5 )gcblzp5e a focal length of 8.0 mm. What is the focal5 lg)p 5zblec+ length of the 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 mt6e4)n8wxwst 0t/hchas an angular separation of 10-5 rad. Iftst4n h 6 tm80)wwec/x the wavelength of the light from 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 ishzi/e; knq7e8 designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light u7 z8 ehik;/enqsed 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 to 1.5 mm as tp1 8(a1qw) y7ar7,srkoqud* *xheyhthe il 7w d(8y 1e7rtypr*aq*, o)hx1asqkhulumination is increased. By what factor 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 placed into Earth ml pl.n e*3h3f,t: zpark+i7l orbit by the space shuttle. What angular resolution could thrnlmfp ,3 e z7+hp. lta*ilk:3is telescope achieve if the wavelength is 500 nm?

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