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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 is open and the film is exposed in a camera is dee -*o- lhra+y4ccl4xwtermined by rce *h4-xy4la-co w+ lthe

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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,7g ke3x dt/hw 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 len5 9p 4w y(ecc-d*enqbxs-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, t(cepxy dbw4 -n* eqc95his 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 aa3 7;7q, /zgja hzf7:nskgn be field of view that corresponds approximately to that of no7:n;b7zha3njfk,z/gs e 7qa g rmal 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 refeopwu)q, y.vp+5 wzr ,prred 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 wi(,cl ye 0dmcg gva xwk,(xm782th a wider field of view than that of the eye and through which objects appear smaller is gxdgm(l( ke72 ,8x0 ac c,wyvmreferred 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 aomv/)fdlume,8rne(; 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 refraction of light by the eye occurs at * 4nd7p/8ie v likl2gzu;)ksh aa.a zjmq:y)4the

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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 clear 2 0oc5iuj ./og/)ime3cn jrkqly 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 seehl o4vc/b fg1 nb-)ew8 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 from front to back, the person is likely tr (d8wr exz*q1cn)brp d8e:3gbx k.u5o suffwdprde:z38xue8b1rc.*k g x(r n)q5b er from

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can usual4f nuvhuahux0v324ir a2k2 /gly 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 tow qdi56:1sjl q a vision defect that canijqd 1:w5lqs6 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 toane2,)tjcg*/ xnioa7 vj 6(i-mryvr; back, the person is likely to suffer fve*6)mnjya taxc -gno/i,;7jv rr2( irom

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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 correcteh x)r(;lts l0zd 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 sh2slpan10qv +4;eqlay k (h+ahort from front to back, this gives rise to a vision defect that can be corrected by uqs2h0ly1la;+( a eva+qpkh n4 sing

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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 y1)le-udwd, n+y8ql aa magnifying 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 us85h w8azr fj7x w:bot kmefz f6b-/kl0/sws,*ing a very large diameter objective in an astronomical tele/ lmj5hw 6*s o k87afb rw,fzes f-:wkzxtb/80scope 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 ;e,1yteg2n rn+(t umya refracting telescope. Suppose an opaque screen is placed in front of the lower half y;(1,+eu2y en gmttr nof the 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 sensitivix+8qk.;/bqhw)l/gx u c pl5bhty 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.lwg lcpq8u+)x bxkb /; h5h/q 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 telesco1 e,t6nad9)ef 8x +upo5y yrr; ov2vgzpe has a magnification $m$. 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 ne +ns:, k/eep7ukop .expect to be able to see the greatest detail when usin.kop/ne 7ee: up n+,skg a 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 frouip u9 oge8vahu38 18pnuc- c:m

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer fs1g94ihid7u6 kp zne2 rom

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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 ty7)hx9vg1epow2bzel z - 10yjq6v6 qr he 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 hap*6twp e48 amy y8 mwa s;5f.-tnqvya3bpens to its resolving power assuming that all other factors remain unchanged? Its resolving p8;sw8ayeq5 .bywtmp a-yn 4a63vt*mfower

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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 of0)4o7a)mzw /4)g )fjwc6ngy7o t i3xbccseco 18 cm. What lens (in diopters) will allow this person to see distoy 6w)3)b/ wcg 4xnz)gfot m47aes)i0c ocjc7ant 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 objc 6v - /onrq:htl5.og+emdk +dects more than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn6 c 5 :ntgqr/lhm-vko+do+ e.d 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 lenses7 r(4cfty giu: have power of -0.15 D. What is the person's far point if the glasses are very close t:gyuc r i7(4fto 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 thveu3ub( hfz.)e uncorrected near point is 75 (3fu)h.be vzucm?

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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 10 s+( s o q59bs(oc9jux,pg6bpi0 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper atsj x(99q (c6u5ipss,bo p bgo+ 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 wbz6 ivx yo53;gr97f x bxg8aw+w)kb025 cm from his eyes, if he wears gl3rxv ag95;6 +b78wx zg0w bbkxwy) fioasses 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 person has a near point ood i1if:h4nlp) xs en6*iy,3rf 25 cm. What is the m6x4y,fh1p iird ne*:)n 3osli agnification of the lens for that 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 m) dku.3w ihp3uq 76;6ztx )pgsc+hpta focal length of 10 cm. A person has a near point of 25 cm.)kp +h)gupt m36huti73.sxc ; pzwd6q What is the magnification 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 magnification i)j ydgrau06 r2f the image is viear0 )2yugrj6d wed 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 magnifyic1 cjj/kcogw7,-w i d;ng glass. What is the maximum p k go/j,wc1c;icjdw- 7ossible 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 of focal length 5.0 cm as a magnifyin: q7he,toas 9dg glass. What is tta dso:9h7q e,he 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, 4.0 cm, 8.0 cm, and 16.0 *5x1ikdk-k)mbua)2f . k ,6sul qbq mzcm. If you were to use any two of these lenses to build um5*f-,k lz .ka) bskmqdku)61x2bqia 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.kzb f-1tbx m;u a,sga8;9g 7kw0 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 magnific,az f19wgm87 k;b;xtkasg-bu ation 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 i4v9lnf6qn4a has a focal length of 200 cm and its eyepiece has a foaf v44 6nqnli9cal 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 ma4 ,,cua47aloud sfk3ty;a- ay gnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the focal len f7a, csyat;o3uy,4 u4-aakl dgth 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 telescope wi6 mcq3 -u w1vula4;oofth a magnification of 10. If the telescope has a converging lens of focal length 50 cm, what i1 6lafcov;qu4 wmu-o3 s 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 limited 2zc+h * yit2ns qzp1ff*ey l-/to a length of 20 cm, what is the approximate focal l*zts zp+qcl* f2f-/h ei1ny2 yength 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 ob)bml ;b vk.*)ier agp4jective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the obj garmie;b.pl*v) )kb4ective. 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 length63d ;e5 rfywk)u .xqxa 1.4 mm and an eyepiece of focal length 20 mm, arqdfku 6; x.a )e53xwydjusted 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 lenycb+ pc7 zjrmu03k/. bnin7,6yqtzn ;gth of 3.00 mm and an eyeptbck 3 nyjn+/.7y6b,zruzp;q0mci n7 iece 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 an3 zk(eb2+-no ls9ks msd an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to gnlk -9m3z e+os2k(bssive 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 cons rd8a, 3m cmvgur5 akuf(.)g 65v,gnlytellation Orion has an angular separation of 10-5 rad. If the wavelength of the lightv m.ra3 )( dgu8rankmcyf6 ,ugg,v55l 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 *h+((k .irdxo/m tnt*c/ lkm-+tmkft objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light kt(+k ix(m -+nr**tld.ctk/m/h moftused 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 3sh 6-r z 6,86za k*mfygoosyt*.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle6 r*mzgsf-y8a y kho6,otz6s* 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 beenp fpiigp2 jrufk:;183 placed into Earth orbit by the space shuttle. What angular r1fu8jprgk2i;p:i3p f esolution could this telescope achieve if the wavelength is 500 nm?

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