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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 4vzue jm2o;vpvizv8gr+8*uz z y7 ;h5shutter is open and the film is exposed in a camera is determinmv ug2e*p;uo;+z7j5r8yi hzzv v8zv4 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 i9/rktt i t2np3q/0zg ii aor:.n 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 dis w9.mm.r w5p a8x7m;ilyfs2wstance may be varied by sliding the lens forward or backward with respect to th xp.;f.y7wmw m rsaw 5mls9i28e 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 filmt o5dy+nxu6;ux3p+i o l17bzy with a field of view that corresponds approximately to that of normal vision is refu+zxp57i yyd+xbo6 1u tn ;ol3erred 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 7se-vc/qn 6yjis 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 than that ofjgie i(/ 6;pzt the eye and through which objects appear smaller ige/p zt; (iji6s 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 digf9w (vxxfygo4lee 6kv9ap8 r 8ih2b+ j;16r jfferent 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 tg;f5.nek 0 oykvhgp28mj:;z 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- c(hjb +p.zrqf3nez5 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 uz jvt9+:jt4bb* /cif 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 backv w8du)wdawd i+50-bv, the person is likely to sufd80avb-+dw)i5w vw udfer 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 be correc +sds ez+khqq1bc**p ts x9q*5ted 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 bacwzi2)hr n(*/g og0 n,n/eziq yk, this gives rise to a vision defect that cang(eon ir0n)zhqy/zg/ ni* w2, 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 person is likely tn- 2r k )uuah0gqzu3/k2 fvq1zo suffer 2qk u afgzvuu0)k 1hz/r-q3 2nfrom

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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 co4-,nkgfxn; yerrected 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 iz 5 vaxl;t *2zuym 8ud47ru9urs too short from front to back, this gives rise to a vision defect that cy m4ux 8l z 5;*7ar2dr9tuuvuzan 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 magni(xoqz e787q 26 q3docwl7 u5h5zvuyb4pw +uf ffying 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 la 3xgk)(ho7 a*gnpu9j9vikw3559rbypbl cg 7 hrge diameter objective in an astronomical telescope isc yjg99g3p)avbk75 pr57*w3 k ngohu9l ix(bh

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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 refracugp (t.d )ll+ ,q)(ykmcvi;rykh*oa4 ting telescope. Suppose an opaque screen is placed in front of the lower half of (om kyv+cpt.(l4gyq*ru) kldah);i, 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 sensitivity throughout the visible swo*zbm1r / vf7pectrum, in which of the following cas*r/o z7vw bf1mes 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 has45prz3ta p6mx5 2uxu uam)e y6 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 expect to be able to see the grea4 /g-hm xnxm3ysej6b9test detail when using a microscope? 96m3jmysnxb -egh/x4

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer frou o/n16s lf*dwm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors su8w y.d: sms6g fu3zw(uffer 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 refersukc1c qq70l6n: .jjto 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 double*c:y dvdp/gw)bs7z,bj *e )xs d, what happens to its resolving power assuming that all other factors remain unchanged? Its ry c/*wsb dv gbs:pj ,7dzex*))esolving 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 dio9bvve b. gl5y8cd 5+z;vjcm xl9un.)owr/r4 zpters) will allow this pexc4crgb .. 99rv/mw vzvjlz+;y8 b 5l5e duo)nrson 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 clearlyutq 8iq x fch0x.i8:.q objects more 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 eyh.iqx08.c uxt :q8 qife?

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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 powqpk7;ah r-q. mer of -0.15 D. What is the person's far point if the gp-.aqk; m qhr7lasses 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 neede .p+t69imvlhi2 vo 5qrd to correct for farsightedness where the uncorrected near point ihiom p5i +2qv rv6t.9ls 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 places rea8a.p(fpyzlk bw( lg; n 6yld3a ls2:-gding glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. W6w3(y2;y(8ls:g. la-aflnl k z p gpdbhat 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 25 cm from his eyesaq9t*7sofva,jb x 9b1 , if he wears gl 9fatb obqax* j79vs,1asses 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 of 25bfffw8 r7f, o;.do) lc cm. What is the magnification of the lens for that pelfdwfo7f,c) b o;fr .8rson 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 a focal length of 10 cm. A person has a near point ofd,mewu,(u xr aw )8z;g 25 cm. What is the magnification of the lens for that person when their eyes are focusgw ,rem)(za ud8,; xwued 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 lek0u9c 6/) yc3 r of,luh-:ot oigtud8hngth of 7.0 cm. What is the magnification if the image is viewed by a relaxetrhu )h 0yu6ltf/u c- ogoc8od93i, k:d 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 y9 (qt;.ah bsca8u,p, (qc5u4t vjyr nfocal length 5.0 cm as a magnifying glass. What is the maximuyc(uq(p b5a h y,8u 9tar.csq;,n4 tvjm 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 magnifying gl4yi( m-w4,g nc)efpd;.tou ong 6w3jrass. What is tmdw, jg6w43gon.e tr-f)4 nc(;pu yoihe 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 c*cscsy39 z/s*/tzkh dm, 4.0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to build a telescope, whaz3s /tk*9d/ccz *s syht 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 tqj 6an r73ku e5-o3mxfocal lengths 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 ikoe53 r-qajn 6 3utm7xs 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 oic9x- 72evfw zf 200 cm and its eyepiece has a wcz9e 7vxif2- focal 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 with1*ni)va3 qz8hb - bhkv a magnification of 10. If thnbb i *1qvh8 -h3)vazke telescope 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 an astronomical telescope with a mag4-xu rc61mamjgkfx ,) nification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resulting lex,a4xf6m u1k mgj )c-rngth 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 designinx2n.83zwu:v; 8y6hx )g)tko8klk imk0dhz jag a 10X telescope. If the telescope is limited to a length of 20 cm, what is the approximate ) yl8hu.02 3xi m8)gwv;nzjktkkdk h 8zo x:a6focal 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 eyepiece n dag s zkcv(004x;r,xof focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed a ;(0sxgz4vnkcdr x, 01.5 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 lengtw/iwgy.l d+8oc ch3a/ h 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is plo+8h./cl3 c diaw/ ygwaced 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 agipd50 vf k ,1,l9b3avqou/fwn eyepiece of focal length 6.00 cm. I91bil/ow pu,k3fqg5 vdvf0a, f 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-c)op x ix2ou5(:do+kx3mups * sm barrel and an objective with a focal length of 8.0 mm. What is t+opp)5id 3*u:xm ux xo os(2skhe focal 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 constellation Orion has an angular separation of 10- ,3 ibfj ,fjfabtz*qqgt *locoxtyc*w625/6.5 rad. If the wavelength of the light from the system is 500 nm, what is the s2of6a y wt*lt qtciq,c5f zo., *g63 bbfx*j/jmallest 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 which a7/ boo p4tpk:cre 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of tobc pt/4 k:p7ohe 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 dsc;(ee l9(sodiameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle9los d;c(ee(s 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 fsi*a8zj/ ft /Telescope has been placed into Earth orbit by the spac8/z satff/*ij e shuttle. What angular resolution could this telescope achieve if the wavelength is 500 nm?

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