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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 is exposed in a camera is d-iki iu vq(h f/hf61(qetermi 1i fhq/(k(vquhi6 -fined 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 determi8zv 99)u ohvvtned 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 varied by slidiq qfhkleg+ac548vb* r,7gj0x ng the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obtained, this me a*qxjb5vh+0,ef8gl 4qkc rg7ans 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 xkf,*4h/a j,tua/ 2dpk xh7vg the film with a field of view that corresponds approximately to that of normal vision i/x24,j7ak/gpth dfhk ,v * auxs 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 v5cofm yo1p oy p0to4( bz :(5ge1c5tlto 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 than that of the+ 0/(ah hr*jj,joqavo eye and through wh ajaqho/*+(h,vj0 jroich objects 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 camerasx et, 3ol5fcfe; 3if9 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 refracti h/iz:h2kp8y won 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 mzzci2+-f fns-( jhzu0:)qp,)kc oyz dq0.uu which 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 crel5g :69yl qtlearly 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 to sunexakfpc5 mb09t/ p 5 -onmg),w/ps z 1)gscn8ffer nc0zbs/ammekct g)nf9s),p 1- /8 xo5 ppng5wfrom

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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 correcsx+g33 lwv d*2h(8 x 0wbqhwuwted 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 lfsv csp7,rz0wr ozzn/i3m77 8 ong from front to back, this gives rise to a vision defectpn7 7orvi0 zc ss, /7zr38mfwz that 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 tztely ed1yi a-7i+r/ :uxqh+3oo short from front to back, the person is likely to suffer +uzyy3l7iq/-:+h xa reei1dtfrom

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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 peedi;: jp cr0j c 8(4btu1j1be8f,pmcorrected 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, thisx9fpaybb8) .n gives rise to a vision)n by fx8.bp9a defect that 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 magntgysx.kv):ak2thi5jf *9+ y fifying 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 largu -qb- ) e1fz ny9tn55o o9(ccmkm 5e(akd0wbfe diameter objective in an astronomical tccf5k-(n 1weq dko e(09mf5mo a-un)ybb9z5 telescope 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. Suppose an opaque screeny8 ev19rtzz e* is placed in front of the lower half of the objective lens. What effyv et91ezrz8* ect 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 ha/zh7rmsyd 06vs uniform sensitivity 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 telescope usedr dy/hs0z67v m.)

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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 magnif2jmf)(h9drp5in b-qd 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 be able to see the greatest detail whe;nk qx rx08o+ a4vl++*dpxxrx n using a;+ v0oxadxl8x+r* qx+ pk x4rn 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 fnd) ufnp0z-wrsd7a7 .rom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer falvnbv( a+n o5(sd.p11pj:xfrom

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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 r)kq y;fw2v11tqy q9dppv2 s :fefers 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, wefmh gcd00;nt5i3k.awwd/ 1 b v0d*ybhat happens to its resolving power assuming that all other fi30 t/bw10d0hddenmb*vkyc a.w; g5factors 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 diopters) will ax9xgl .kw6qw1wq7v e mp)5 i-rlg5n9l llow this person - 1 nwggpwl65 759 xvqrxe)qmlw9k.ilto 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 than 70.0 cm away. What doiw df8. 2smxusm0t a,pq3 1+power of lens should be pred1wo02ix,dsus .m 3 +taqmp8fscribed 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 powec1n8w2,i 0zdh(bv g egr of -0.15 D. What is the person's far point if the glasses are very close to the eybvcz( n80gd2whg,i1e es?

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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 farsightednessw( .i,jv u+rwlek3k(l where the uncorrected nea(uivwkj ,r.l+wel3 (kr point 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 plam*quys83h xsu ekj 4c63yf -z1ces reading glasses closem*ex83 fy6czs1-4jhys u q3 uk to her eyes, and 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 0w*zyb,vs m0sp- au2va newspaper held 25 cm from his eyes, if he wears glassb y,0zuvp02svmaw*- ses 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 f7pe oo kh*3h+tb *b,anocal 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 are focot7onap, 3h+eb k *bh*used 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 fpy+iyh;koqy:j/0 bazg9e* ,xxbn *j9 ocal 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 are focused at their near p, p i */y9x yhkoj+*g:qeyaznj;b90 xboint?

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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 it.d.pld*f5fnq gg i0ngo-u,4f the image is viewed by a red-.0nf5g 4ldfigq g*o npt,u.laxed 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 leng.qj(h:u 8wfhd.gh 0rsth 5.0 cm as a magnifying glass. What is the r :..wh 0dfh8hg(sqjumaximum 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 converging lens of focal length 5.0 cm as a mai wj/ydh 7t86jdke5/ c(n;a uem6bx/ggnifying glass. What is the nm /xc e6y 8ied b/j 5/u(6ta;dhwgj7kmagnification 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 lense r,d(v9a3y u ,0oyg:eza:ezmw s of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, what is the maximum magnification you cou zaed e0(ugm,w,: or: v9y3ayzld 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 lengtwfpvkx8qk,v ) z9oz 7-hs 2.0 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 magnification telescopvw)pk xzz78, 9v ko-fqe?

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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 fos;lp xjp4+t 2qcal length of 200 cm and its eyepiece has a sp;4+tjp 2lq xfocal 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. If f(x: 6gpt v7ncojda1kpf 0.b.the telescope has a converging lens of focal length 50 cm, what is the focal length of the:pb(ko0t1j 6f v a..xpgf cd7n 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 with a magnification of6mu(y ktgdcq-v + obv*2ox ;0m/a 3ocs 10. If the telescope has a converging lens of focal length 50 cm, what is the resultiu( o3v-2xvmosm ;6t/o+ 0ycakdqbc*gng 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 to a lefq 96j hwx2l-dngth of 20 cm, whatdjw9lxh6 qf2- 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 obje lu.uq1z+,g(/j.df fi5p)f nbh 5ijpdfaa 81xctive lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blo.f, jx)8alaf15/. f(z1dnbdq5p fihg+ uujipod sample is placed 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 m f*uf ;kvxv ksxo,g pg4pf- yz7366a,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 object afx 4usm,;v7 6 y3kgpxfgk*vo-,6 fpzive. 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 :v+bqr pgc;9,4-bg4izwdxx m an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.bdgig9wxzv ;- mrq+,4bxc4:p 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 fsh/ r;tbi*+a7do)h sje +u: mbarrel and an objective with a focal length of 8.0 mm. What is the focal ashr; /m sb7+:jht)edof*u+i length of the 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 constellatiokr4jgow jmy*i55(m2qvh sy 37n Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, whahr7j2 k 5swy(m*g5ij 3qmy4ovt 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 7+n8 g6 atp5txz h)x.f aqlp)/crx,wcwhich are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light h / ,)6twap q+.ltz5gxcx8)rfcx 7anpused 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 sf.xt 6+e ies(the illumination isfis( ex+t s.e6 increased. By what factor 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 Spk)t/;573( obn9euwz k 6+ph njhfjjqu ace Telescope has been placed into Earth orbit by the jjfo9 3qujkw h7u/ )hnzteb(;+5n6pk space shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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