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习题练习：Physics Unit25: Optical Instruments
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 120 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test120.html
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 匿名未登录  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 and the film ism b)/) dj:iqgs exposed in a camera is determings)b q)dimj:/ ed 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 qofns , 6 g6)5wx.jgywin 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 cqofj/.5 rz;4mvqcd*)h *rdc5jb ;h c2m pr5zzamera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camem* qofv h.c q5; cbz mjcp dd/2hzzr4*j)5;r5rra 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 correso)jn 461 sydb0)vp xmqponds approximately to that of normalbom)nvp6)xq1 y jd0s4 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 tof,ca.u -j .gaf 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 f)kvka34jas9cepp2 *t ield of view than that of the eye and through which objects appear smaller is referred to tv 2k j439a*)akppcseas 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 1 uiai93,en f. sgdc9aa3/lgbis 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 refract (z*kj c6rv(l-gb4uf sion of light by 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 d -f5k(p c)iihvb(syb12b3 r5 oritd, 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 e * /dr u)khvw)sn 6*r2+wohzquye 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 -,nqwdiya )mvu8 x1(t long from front to back, the person is likely to sufu8 1t-n(qmi d )wxv,ayfer 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 bed66n r7f 6mxs1gb+xx x 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 from front to back, this gives rise to a visionplvuk,b -ksl8:ka5 ti1vw4;-/ss dio defect that can be corw1l,k4-sio/5sbk ls: -8 ;ki uvdpav trected 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 shorhuhw18 5*ws5cf.oktqbf i3pgq,xq 7r3n5id ) t from front to back, the person is likely to s) kipw*,c5d1qsgh5ftr b835oix 3nuwqq h7.fuffer 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 corrected withmno(lpm lupph+0 wka:x)z2.1

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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 sh w;xik48il z+aort from front to back, this gives rise to a vision defect that can be corrected by usii+k8z 4wialx;ng

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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 magnif gje8, o/mk+khying 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 diametern1 ;w+ab 6xrfhgsq4.1zzq6cu objective in an astronomical telescf61 z6 zg+u;nc1h4rwbs qxaq.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 formed by a refracting telescope. t0)jgld -slsu4 x;e 2k Suppose an opaque screen is placed in front of the lower half of the objective lens. What effect will thisx; k 4- 2lg0ej)sludts 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 throughoutbdwf.o ,23zvct4z: h k the visible spectrum, in whic zk,w2b.:f4dcz ohtv3h 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 magnification3 yw023o2ls+gaw vun y $m$. 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 expecvsqm9 ;d6oh(d,b fy4 ;dz 6gldt to be able to see the greatest detail when using a m94lo6hbv z6d;qd dm,fd sy(;gicroscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer from/ f7m*wd oii3tij7wkljl y(qky3 )h536fmfo.

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fromyq qm( b1sxelhd m +f/(.6o1ut

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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 abilityi9 j( ,(7w1bhuvxgdpj 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 xl33.olg rd; u0uey tky9l5(u is doubled, what happens to its resolving power assuming tha0g(t35 ux koyl.l;39ldyreuut all 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. .0qzl1m3u :w 80prioj;ftwzsWhat lens (in diopters) will allow this person to see distant objects cleajmpzqitr:zo.0 lf u;w8s031 wrly?

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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 mo q d 8y2 t+xkve9nm+;.ca:p2uyex hd(zre than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the eye?h89 .aq( 2tnyvk2:+uxxd dpey;em+z c

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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. Wha9piqe 9 usyhz/2;mn/ouvdu0n 1 uz(;:lqu7tkt is the pe:p/ou(0ye79iu mk 2q uuztnd; 9s1/nuqvhl z ;rson'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 re6ur0pj(o tc8)hcfb j+ 8v9xqn +z(qfarsightedness where the uncorrected near point is 75qp o8hnxq(u)f9jzr8 06vtr+ jcce+(b 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 gla *9 vknvb5efqpxyrm6bzxzh(0w652 /usses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power isbhb*v9/0566qpv wfzym ruex5n2 xz( k 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 agfb hmt b ig;li8nph6,.1hre kfg4036 newspaper held 25 cm from his eyes, if he wears glasses omg if ;ti3h6. 6,gk8nbp0e f4hrhl bg1f
+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 o/ r* 9xclm,gtef 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 lcx/gt* em, r9focused 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 cvda;gh76ek ,p st5/xa 5*xbvcm. What is the magnx557vaaxd*6/bgphe ,ksvct; ification of the lens 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 magm.lq 6hnq6z5g i oq:k5nification if the image is viewed by a relaxe5 zlhoqg6.5imk n6q:qd 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 lengthm u6+ 5gdlimnoc; zn6- 5.0 cm as a magnifying glass. What is the maximum possible mo-ig; 6muzm cl+65 nndagnification?

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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 fo1qc-kgp4k.4kk s(r j iq*6itxc)h a3 /qt:idtcal length 5.0 cm as a magnifying glass. What is the magnificatii4:g4-1rtkqkta3/ji(iqpk cs. * tc qhdx6k)on 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 l3hzi (mzkqi7: engths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were 3(h:7z miikzqto use any two of these 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 fzx/y qdt(j)k3b 1ck3d ocal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lens tbk)j/d1cqkzy3dx 3(es 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 of 200 cfpt(p6o2mf+ z m and its eyepiece has a fo2t 6 ofz+f(pmpcal 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 magnification of 10.ua/q7t3 w ac3w If the teleq w3 c7aut3wa/scope 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 constructstr a .)*y(no3wqu .ymg an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting length of the telt yya) .un.rq3w* om(gescope?

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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 telescz seh e;*3+tv :up+c)pqh s6lscax54cope is limited to a length of 20 cm, what is the approximate ca6qvhxeesp l+4hztc :+spcs;3 u5)* 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 an e6 soczug4runp f*u(/.yepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. Ho s(p fu4uc.g6*nu/zorw 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 gb3rb7se cs cv11gi; 9lens of focal length 1.4 mm and an eyepiece of focal length 20 mmr1 g;c c9s7vi3s begb1, 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 obj5z+6l /: f6irodprbnk ective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 4r/:bdl ir6pf+ z5no6 k0.0 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 an0:5 8 jlqtuk*8xim x25gaqc aw objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to givm8iaucla :jg* x5w85x 02tqqke 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 consk/ ; zzyz++v rw13cafmtellation Orion has an angular separation of 10-5 rad. If the wavelength of the light fro a zrv+cz+m;k3f1yz/wm 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 *y trnnb *qcvb+.; l,cwhich are 0.010 mm apart. If the focal length of the objective is +vqbc ; byn.t*n*lc, r4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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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 the ioa ,oi 7zn:q.pllumination is increased. By what factor op:o,niz.a7q does the minimum angle of resolution change?

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单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Space Telespnq*(5 emwb, ncope has been placed into Earth orbit by the snqn( *emb5wp,pace shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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