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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 isa.i8yz5n)9veaw -3g 6w sbqiz open and the film is exposed in a camera is determin3aiz w8g5-zasv)b9i .en6 w yqed 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 filmncym a.d+k y22 in a camera 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 may be vari iw2-hm.exxbcyk*9r+ed by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy 2m+*w9xei hbx.rc ky-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 fielda e 7l( exvs.he v67k1iee2m5c of view that corresponds approximately to that i56xm7 alkve.7vhec2 ee e1s(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 magnify imar/jxl-g dj 00qges 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 tha 8eny;ux i,c)xn that of the eye and through which object,in)y8;uex xc s appear 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 different from the hu cebp.0i7u, ts(jl gp8:q-oa uman 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 occ:knz lie5/ c4burs 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 clearlv 0oh/0dxv io)y 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 wihp2zhrh:i) . e tmc72yv;1e at which 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 t lezu( k-w*:2 inr9c.v;qvyypoo long from front to back, the person is likely to suffer fukeqc-(n r*zl9 w2 vyiv.;p y:rom

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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 with p-bnk1xm1*3 efq 1cfx

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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 fronti)*:z+( ql sjr6 .k tkzksp/ywbi-to* to back, this gives rise to a vision defect that can+z-js k*iozkksq) *wr6 tip:/b(yt. l 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 eyeball is too short from front to back, the persoc0bvkpv 32:oqv; hikj 9-vr;cn is likely to sufferv :c9 oqvvp;k0hrvb2kci- ;3j from

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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 correctl ipy+5d 9+h*rkd aaf-ed 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 rise to a vi.rou5 : so)sjmz/xh mzsi5+v5sion defect that can be zoh5 ji+r mzo).umssv: x/5 s5corrected 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 glas4lwz j:a9wv w5 /6ik1 j9yofqas?

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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 objectin43k qkni+ *ttve in an astronomical tei*ktnk4q3 +tn lescope 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. Suppos-nes:b 4zxwe2 e an opaque screen is placed in front of the lower half of the objective lens. Wewxs :4 2-enbzhat 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 throuuwsqed -)d0oyv: aa4/f . zezb((u 6gqghout the visible spectrum, :/uava)0zoy .bqse- q 6(( ddugz4f wein 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 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 magnif8pq ry/5k8oalw j*yc05b- 52)iv mbwasge3vg ication $m$. 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 + kzgvqwml at()j* p/8be able to see the greatest detail when using v/ tkz q(gamlpw+)j*8a 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 fz awnsz42mjxh w 26.l*rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sufpy3h jawh lz9v9kv9w)3ibhsc t t/ ;8 3a25phafer 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 aa,jsh ; rcc3r( hf1a,e7wb)yibility 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 happens t1-xc9qbc ancut65 :8 zavr*nr o its resolving power assuming that all other factors remain unchanged? Its resobcz c5ruxv8-nt: q1acrna9* 6lving 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 diopters) will al +ch6of*qw mq3low this person to see distant objects qwomq3*+6f c hclearly?

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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. What power x ,0zrs.tgiiev5 uj(n 7pr) a7of lens should be prescribed if the glass is to be worn 1.00 cm iszt(xa,7 r0 n7e 5rgiiuvj p).n 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 hcolli+y2. oc3 ave power of -0.15 D. What is the person's far point if the glal2 oi.clyo +3csses 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 where the ung 0zjw5e5wp szc0r2(s iki3. kcorrected near point is 7 zpie2scj . 0kwzwr55ik0sg(35 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 placnp9nz 2*hua :fes reading glasses close to her eyes, a uhp*nn:92fzand with them she can comfortably read 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 newspape-qa .2dbg5pa tr held 25 cm from his eyes, if he wears glasses ofbg-a q5.2dtap
+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 liyr7 5row c+9xjac o90ength 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 atcrcx7 ri0yo 9o 9+5ajw 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 l, a 0sc2dlvtac.;/v mperson has a near point of 25 cm. What is the magnification of the lens ld0,lm atcvsv;./a2c 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)s 4eyv*cqd2j f the image is svjy 2ec*qd4) 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 focalz ;axzk8r/-o l length 5.0 cm as a magnifying glass. What is the maximum possible magnifica8zzrol a;- /xktion?

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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 c98dxnuv /g2ce8n4 w/rmv6gu 5.0 cm as a magnifying glass. What is the magnificatirdu/6cgvv8 un/nx8c4 9g2mw eon 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 k 9cj-;fq jqz7lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these97j cjqk-;fzq 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, 4.0 cm, 8 )m +x tgmg-ynk.bg7-u p0h5z)/iacv a.0 cm, and 16 cm. If you wez- gb7)a -m 0g t)anpiygux hvcmk.+5/re to use any two 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 xhg-;-bfhs7nz dn(j ap8-m h 4a focal length of 200 cm and its eyepiece has a foca h -ma;szpj7 hfh-b8n-nxg4 (dl 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 astronomical telescope with a mafi* mmjab v,7ln6l 86wgnification of 10. If the tel,l6w jbmi6 nlfa*v8m7 escope 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 anvmwks1 ly)zhuy :26x+ astronomical telescope with a magnification of 10. If the telescope has a convergi1+h)zk v xuwy 62ylsm:ng lens 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 uq* ylsa:u(.e8yjc*f the telescope is limited to a length of 20 cm, what is the approximate focal length of the sl 8(ueqj. c**u yaf:yobjective?

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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 l(akmj );*xev (cfq,o1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1 fc,jqo;k)l(vm(*xe a.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+w0mub6)wx,k ,xfkpq an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objectivem,) pk+kbu0q xwfx6w ,. 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 ;w6mvlpc6zozp3aio;8/ v4a l an objective with a focal length of 3.00 mm and an eyepiece 3mv8oia4/clozpvpa6 w6l ;z;of focal length 6.00 cm. If the 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 barrel and an b j6tzj 3rp4(u(zev 8lobjective with a focal length of 8.0 mm. What is the focal length of the eyepiece to gip3zle (vbrj4j86 (uztve 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 angul ,7iv8 b+vhzawz x:st+ar separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallebi ,++h t 7sxva8wzzv:st 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 resys ys +qoptril0)an3c/2 x*5 holve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used issn+pay/lh x0y)ric t*5qos 23 550 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 chanj;/7oj hd8cr ,byjt8j:1*zau(h w gl hges from a diameter of 3.5 mm to 1.5 mm as the illw/rol 8cjh7,gh8:j1 hjbaud z;(jy*tumination 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 pla9c5qi:dc m/l rced into Earth orbit by the space shuttle. What angular resolutir id9lmq /:5ccon could this telescope achieve if the wavelength is 500 nm?

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