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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.5edu.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.5edu.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: admin  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 shutt c-afw ()oh e75spvr.ter is open and the film is exposed in a camera is determioh()75awp f-tv scre .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 c/*kzh,ozc yeq r +b*5gamera 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-film distance maa vl la91tt/wew8y15dy be varied by sliding the lens forward or backward with respect to the camera hous1ae t9dwvy81ltw5 la/ing. 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-n +5sqkkp ocpv4-njzf3 )g*j view that corresponds approximate5cp-zv f )n+qgpkj* 3nj4kos- ly 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 to magf2 imr-emv-h+nify 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 covej4a/ldmv8 hy 5rs the film with a wider field of view than that of the eye and through which objects appear l v4adyh/5mj8smaller 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 different -ovf j ;ucgfxxkoxf h0 u30q;x-g19-cy9vzr ,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 tk:m78ak/m-knrvn+h fgd. g.h d4l/wghe

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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 smeygo(n0*t 3raqk9 d+m .h9aeye can 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 objects clearly if v:pp9f9c8b4 -wax sh2uj .ggs

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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 m 7trew)lz0-sv6 (ok z3e(fwtto back, the person is likely to suffe-60) lt(ezvfwewmr 3s(t7 z kor 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 bq wc 8qm ,g4yy)(sfkuy0 r.t:xe 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 fro9 z2r4u+z9x tsz60zak j)xdp rm front to back, this gives rise to a vision defect that can bez2x 6kura0) sz+9 zj4zd 9rtxp 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 /qz(y eqny(eztph g(03-vp g /short from front to back, the person is likely to suffer p 0vgq(e q(e3(t/n-zy/ypg zhfrom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually btd .x+-x6pqak w: qn-yo.:4 c6xnogcpe 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 from15 mzlv4.jo; :+njce/zlmnnlwntb +4 front to back, this gives rise to a vision defect th:v;nn b/jm 4enz45tlm1oz n cj+wll.+at can 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 magnifying glzl7;zdm sqv+7 ass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason ft4bmkzvy(55id) qzu 7or using a very large diameter objective in an astronomical telesco55mvd(zi)zkt4y q ub7pe 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. Supposo; /jbm. (ob qf- )g/dtaxa*qfe an opaque screen is placed in front of the lower half of the objective lens. What ef;-jfftba)ob m /*oxg(.a q q/dfect 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 the vi gw9yk74iqsv; ,erc 7tdd(s4fsible 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 tkgd4vqr(,s9; 4sde7 wfyc 7ithe 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 magnificahf.8 )v )(or ruf9un ph)tn1yation $m$. 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 greatest detail jqri)+-gv wn(-w h(4 ,crjf:a 8grhxj when using a microscope)cg j- vqrrhg (jx8 f-+,aw(ijnr4:wh?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromzw7qm0 xe3 7n uj*vbo 1jb+b1y

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suct 2rxx60nb8 vffer 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 refer9bojfze,+x 9 vs 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 doub;llstd8 tw. -k ;fzyasg486qq led, what happens to its resolving power assuming that aq-t6kq4 ayst gd. lsf z8;8lw;ll 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. What lens (in dioptera eu )s7e nre)x9pm)7ow5-pu gs) will allow this person to see distant objects clearlyg o)ur)ae95) 7wemeun-ps7xp ?

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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. Wh; koy4ad5jo*78zt u btat power of lens should be prescribed it; uz57o *od4 bjkta8yf 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 power of -0.15 D. 4 /s t-zc:xw*tcx2t yk What is the person's far point if the glasses are very c-z : s/kx *w2cct4tyxtlose 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 corrd5k* r8+hws2 jpgn 33kqa9th iect for farsightedness where the uncorrected near porhkj9n3s p5t+ 82ki wgq3hda *int 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 is 100 cm. She places reading glasses cl3u:ull 6hsgw,ose to her eyes, and with them she can comfortably reaulhlw,su6 :g3 d 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 newspaper held 25 cm from his eyes, iy 057zy 3u qhks;l/oibf he wears glasses o /;0lyzo3ybk5si hq u7f
+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 fogn6q-oht9o ,v r o+nhfokkd)y 136*ej cal 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 areo3o9r16ke*nf +6 )hvo gkjqto- dh,ny 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 vuec.a+v05 e7 6 lgykaow6 y1xfocal length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens v6aoe1ue al6 ck+5.wy 7g0vyxfor 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 hqn-3 1 -oyg.f/fv.jaszcuv qfbs4 *5ras a focal length of 7.0 cm. What is the magnification if thqs. f.qsgu-/r f v5 z4f avn-y3*1cobje 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 5.0 cm as a magnifying glasxry wnv)z0 v(l+3 fg8ws. What is the maximum possible magnification?8g lynvv)r+wf3wx 0z (

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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 convergg+ryf1 v6 v3hping lens of focal length 5.0 cm as a magnifying glass. What is the magnification ihfr6 1p vy3gv+f 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, and 16. /ca2yfk2o3ztpzah1 ) 0 cm. If you were to use any two of these lenses to build a telesc/tz3fz1hkc 2oa y) pa2ope, 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, 4.0 cm, 8.0 cm,j-omde 7xp:zi+ q )df5 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 magnifm-zdpe +5d:)x7iqo fjication 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 teleqtwqm+oj6 6 ;owkzae12 pj 6;pscope has a focal length of 200 cm and its eyepiece has a focal len;qwoo+q;j6jz1mw 6p 6e kp2tagth 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 telescopepdtue wgvzmz. 6*7e31 with a magnification of 10. If the telescope has a converging lens of focal leng6mgz wed73p1z.t u*ev th 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 astronomical telesco2r zz81,og9ks ju 1 (jfvlqob.pe with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is tflvrz zq8k1ou1s ,2j.9 bg(ojhe 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 telesc o9tcsx(t4mc6/l3 zgcope is limited to a length of 20 cm, whatlcc(tc gm9xz4t3 s6o/ 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 anwev 345z kr-v).hbmz u eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placz4 -ewvz m)vhkb.3ru5ed 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 mm and b:d o+cy.l/i5cfxi6y-msk;3 9pzvv r an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?9x:lmv3+c-/f 5dvicr6 p;y .bkzy ois

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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 ego, c( kg7ex5length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are ok( exgg5 e,7cseparated 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 microscopt g*)es.,kv hr1np ml2e has a 18-cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the )ht*el.m,g srnpv21k 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 hasllygc(1x)l3 u an angular separation of 10-5 ry3u l(l)xgc1lad. If 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 is designed to resolve objects which arslx cer );/z0egky z 52cche*9e 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objec*0 e59zx c)gz2 cherls;ce k/ytive?

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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 froi7fml* 7sm ) f*.dpvcie6bk 3dm a diameter of 3.5 mm to 1.5 mm as the illumination is i f*lvk)cpdmb *mifd376.s7e 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 bees1qs udjj .hwt,zbiepmyil+8 77 5.:mn placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 hitq. bdsul e:m1jw58siyz 7.m p, 7j+nm?

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