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习题练习：Physics Unit25: Optical Instruments
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 作者: admin  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 -rk.lguyx,3xnxi5 - t is exposed in a camera is determined i-5x .u,kxngxr3 l-yt 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 deter+x:ob sh ,6kjumined 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 diayeb z2y p a.6b4- 1ukyfy+l)sstance may be varied by sliding the lens forward or backward with respect ta.4y2s- y)labk zfy+yp6eu1 bo 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 avkf4+i1u+ rlwpproximately to tharlu1 4+ +fwkvit 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 images is referred to eoh:ut-c ri0c0n/3 qvas 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 wi-t4gt *fwfqv2;3 / d 91lght: mkzpcslder field of view than that of the eye and through which objects appear smaller is re;tl1vcm-9 f k4q:sgldth w2tz/f3 gp*ferred 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 huy+r ek0.*k fmsman 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 ofp u8yxwox91zle e+g9, 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 whicg +v08reggg7f h an eye 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 pn+xq 44* gva+qzn2dzclearly 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 to back, the person is likely a3qpo 60m*ie pto suffer foi6e3 m* aqpp0rom

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual(+(s.m 8; xnq ige qwigpq2wcxx jy(41v z+u4aly be 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 tou b+vjwu) 15ss a vision defect tha+ssbu)v u5w1 jt 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 eyeball is too short from front to back,2 ,m;e-j/gf+uegjlz z 8 rj:pp the person is likely to suff j z/gzjl p:+,ejpr8g-;m2eu fer 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 w-sx - ar ufvrj7ct.-e(ith

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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 z3*lymg r s) 4mfhn*/9se-sjm too short from front to back, this gives rise to a vision defect tzysnmlss*-eh 4g 3r *fj9/)mm hat 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 z )l p 4lhhl/a8 z/.s5/hkrc hq(.evtqglass?

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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 usinije:q k ib2d73g;k h)fg a very large diameter objective in an astronomical telescope is:; b dqkjfhii)e k7g32

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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 dc/w6rf s9dbe/;aqeng -23fm 5g.n yba refracting telescope. Suppose an opaque screen is placed in front of the lower half of 2g 6/.arye bewn;q3gn dsbcdf5m/ 9-fthe objective lens. What 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 throughout the v2 g81nntl06 fpea xnkhs +s7w-isible spectrum, in which of the following cspe7 wn8g02+- 1klxhs6n ntfaases 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 magnificati0) kvf*jbas8+ io/ lnson $m$. 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 greatec 7.yqkpgsv1;st detail when using a microsco7gq1;sc k ypv.pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suff js:9hus, e1eeqr(ht-6nw9qoer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suf:gaetl n/u:l 2fer 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 refe -1 goywcc(x4qrs 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 happen)k .jqk /)lakw0uxf6 5wgz2 ufs to its resolving power assuming that all other factkfu2.j5uawzwkq l)6gk0 x/ f)ors 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 poop 3ur 4,il7e awy q.:6f8dqncint of 18 cm. What lens (in diopters) will allow this pers6:3rui, l 4 noap8qy cw7dq.feon 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 s x/njvwszegv-i )x; 6u 12o1uthan 70.0 cm away. What power of lens vi6ovx nue)wx;s 1-zg21 us /jshould be prescribed 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 power of -0.1 c8+dbjpnv;h)5 gu)wc5 D. What is the person's far point if the glasses are very cl;chcwjgp)8 v u)5db+nose 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*rx9m 6r *4: 3mqt f2 qq) kmojlgdyj4caoab3/ correct for farsightedness where the uncorrected near point isq *rm4aq 6fq3* g lkx32 my94c jrt/modoajb): 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 persa esntz2g1 l:/zqmws .r q78;son is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of zzq/ 2mts e:7q.;8swgnsar1l 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)vn 17y ldzu3e a newspaper held 25 cm from his eyes, if he wears gla7ndzlv1y )3 eusses 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 plddwr7 zf6o 4/erson has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focused at infi zdr6l74odwf/nity?

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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 peryp9oc848.9chrz(y 3 qslpc cvdy t. q4son has a near point of 25 cm. What is the magnification of the lens for that person when their eyes are focuserlz4cdyc.pc 9 8yoty qh9qc 38 s(4v.pd 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 aca.p,kl;brz , mcdg wf-x9zml ;1.-fc focal length of 7.0 cm. What is the magnification if the image is viewed by a rmzc gdpf; f l-.wb,-rm;., lz kc9xac1elaxed 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 5.0a qib 70xc2bc)ng ;ig0ev8 :uu cm as a magnifying glass. What is :u; 2c7)na0i uv q8gigbeb0cxthe 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 convergingtph i37ifa.e , soy9lfzi,+ t2va9u a1 lens of focal length 5.0 cm as a magnifying glass. What is the 9+p,v23,9azi1h t7tley usfa.oa ii f magnification 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, dz4lwg w42* 03rl yntn-dj8 pkpmd4-i4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what ispw4y-*l4k - r3l d2mid4n0wndpgtj8 z 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, ah wl. m+b, -v:uif4gpend 16 cm. If iu.f wpv b:g,h-4m+leyou were 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 a focal length of 200 cm and juch/8 xjm1c plh-) p5its eyepiece has a focal length o u m8j /xpc-hc5h1p)jlf
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 ma48jwe i azd:p*gnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal length of the ey 8 dipw*:je4azepiece?

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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 telescope wit pc 84pqee+gwv(z( h4(1fwqlqh a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the rq cevw 1lgw( 8z4(qephq(p+f4 esulting 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 te zakqt d86n.9ulescope is limited to a length of 20 cm, what is the approximate focal lengz8qn.u 9a6tkd th 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.y u4hk-y0uxi ru1 5;np4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. rkuxi h-pu45n y 1;0yuHow 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 objectiv phhea5z/jl8e,8pwi4 e lens of focal length 1.4 mm and an eyepiece of focal length 20z ap8ejh /hwl 5p48ie, mm, 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 objective with a focal length of 3.00 mm and an eya7msc7 m.mnujl6-aas: / )e wik k;l;xepiece of focal length 6.00 cm. I/iw- kn:) e67uaassm.xl7jmcl ; am; kf 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 objective with a focal lenc6lv+tuujm44 7t-4ptn s4bhzw 7 g(nn gth of 8.0 mm. What is the focal length of the eyepnnw j+v44tnlhp47u- m7bs(utc6zg 4tiece 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 constellac.c4 pr8ar .mxtion Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope thatp.8 .xrm4 rcac 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 obje9plzj3. :. any8giuf ncts which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light useij.u9n3gyp8n .l:za f d 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 ccu/ *eh tp5,q zijm1.fap4y h*hanges from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution cum*hp *t ,j54cihqzye .a/fp1hange?

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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 Telesll/03ev;dy blm5y q7pyz 4 2wbcope has been placed into Earth orbit by the space shuttle. What angular res 7yb2l;qe 435/dy m0 ylzwbvlpolution could this telescope achieve if the wavelength is 500 nm?

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