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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: 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 ih hk3o5b+:hglh;:imy be :,bfilm is exposed in a camera is dete h e yg3hlh; bbh+:,i:omb5:ikrmined 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 determined by d az;rxs9+6 noo6v 933lxiwvt 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 reflw owwaxiy,r sr-29jfy bf5;mj/5 ,qa)mo* w0sex camera the lens-film distance may be varied by sliding the lens forward or backward with respect to the camera housing. If,arbf2xyjsim ow,m5*, yw- w/9r5);wqjs a0 fo 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 cove. )-nza a(v*:-ldzpkkwwiwx .rs the film with a field of view that corresponds approximately to that of normal vision is ra):aw.lp(kzz w v- * ikd.wxn-eferred 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 t5 0i8xttiayvdx4j,g gq xg(9 :elescope to 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 cover* vjqg67ccx e0knlt5z06a o+gs the film with a wider field of view than that of the eye and through which k7lo *jvcx5qa6t0 n 6ec+z0 ggobjects 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 camera differevi9*a6:xmpyfa f54 t 6.lkwrha1 4d ggnt 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 lig br0s++:kgxg2 niyfkwnfw15 8ht 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 cal0*nil,uhes 3a1w lg8n 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 a 5gne. x0donjw).ngv.)t clm 3t which an eye 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 long from front to back, the person is likely to sl/di*z -ay9qd uffer fromdliq z -/d9y*a

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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 correcf 2 gvqdao)-9hpf1xpvs-5f:bted 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 givwe--f1dedqmu j3 .,78sn trd des rise to a vision defect that can be correcqwmjtdn- u1,dee 8s3.d-rfd 7 ted 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 s aahxk;tw + dbb/n 4 iib+n,)xz7n3l,ghort from front to back, the person is likely to suffer fkgbxl7i a xn;z 4nhb/+,,anw3 +idtb )rom

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually audd lc;3 4mhawucn)* ,(cz, vbe corrected 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, )(l s dd plg0zv44hpg-this gives rise to a vision defect that cv4) dldgh-pz 0sp4 (glan 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 ma w9;1nrbkq2 +b,w uogmgr5wk/ gnifying 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 . zvo(v q r1oia9i9xu ,s-md1zdiameter objective in an astronomical t,x91iq- v1iodmzz9. avsruo(elescope 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 scr hrgaz,-m6bg4m:zv +feen is placed in front of the l:zr6zbavh-mf,4 + g mgower half of 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 unifk) 3n qzi:rjuw4n;8 kv3;jkdtorm sensitivity throughout the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced sta wu):jrji;vkn 8t ;kndqz3k43rs? (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 magnifizxz-g1w,bd +td1 k7 ifcation $m$. 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 wh8xucvo: n ga),en using a microscope 8x:nouv ca,g)?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fromlu(6/qa ds4z v

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffehdf) 4xl+gf*z r 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 u,-qib)z 0t3,qm/fniex nqv 7 refers 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 doubrf/9,* hopb usled, what happens to its resolving power assuming that all other factors remain unchang,uh9pbfs */roed? 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.y,m ukaxi(7es,p-k tnysq 9n-o8bd( , What lens (in diopters) will allow this person to see distant -nax(yt,ps -q,sni9 oyeuk,7dkb (8 m 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 power of71 1jn30c ka(womn cwi lens should be prescribed if the glass 1k wnwicmn1a(7c03o j 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 h4gz nka0p .e; okco5k2ave power of -0.15 D. What is the person's far point if e2n5gckz.o4k pao;0 kthe 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 farsig0hr enrd*k*- s)tcm /dhtedness where the uncorrected ne-dnrhr0)sck *me/ dt*ar 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 places re ad8 fwv/ra viz.)na1oh)7w 9lading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is requirw9azwl /d1afh)v8i7r nva.)o ed?

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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 ey xe* b v+reeu;r85goqhn*n-9q es, if he wears gla 9n;q+eb ehx- re*58 nuor*qgvsses 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 p :d ih;b8adha3p9v7i85zw zp10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wh dzd87; b5p3ai wi:hpv9hp a8zen 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 b,i 8cq l/hcl2 sl2dy1of 25 cm. What is the magnification of s/1 8bhdyli2c 2llcq, 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 lengthq9t9dq6psgc 6 of 7.0 cm. What is the magnification if the image is vqg9pst66d c q9iewed 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 ar.)hq 7xa3 m:.tlx htuz* f,mis a magnifying glass. What is the maximum possible magnirx:m.7 afqlz ihth um*.3tx ),fication?

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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 lexzu5ad7j8unwpjx5rr9f 7 0(wns of focal length 5.0 cm as a magnifying glass. What is the magnification if the perwd7(uw jpxrxrj5z5f9un70 a8 son'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 fo*ko** ie vzo(vcal 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 y kv*vi(zo* *oeou 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, and 16 cm. zl a-t)5)zygfo+cl i6 1-i1ibjgr e a. If you were to use e.olg)lga1a y5 c 6jiz)i1t--i b+frz 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 an-j6j3o cc5sg zd its eyepiece has a focalj j36os5z-cc g 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 vq4ke 31j0s:vqik 4rcthe telescope has a converging lens of foc1v4 0q eqkis3 r:4jkcval 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 magny17 8/z0d;6tvhztlx6uo kh v/o czf n3ification of 10. If the televznh0o1thyv u 7/63 dtok;xzzcf8l6/scope has a converging lens of focal length 50 cm, what is 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 tel9xxryq q; )cxg13z :c5j j ut(hs2al7oescope. If the telescope is limited to a length of 20 cm, what is x3 gjcxqzs2 uc)1x7h to;:yrajq9( l 5the 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 objective lens of focal lengtm;03 vdyvo yir8(e un3h 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mmm3;n vervi 30y( oyud8 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 )kc3wlvl :u /h1gvo pkswa h47/(yl-gof 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/1lghlokvysv kcpu/4 )wgl7:3(ah -w 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 an1yrh)gacx7k7xvd e : ixs,03ad an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm, what is the total magnificationy03c,xv)x7 : igxeardahs 71k?

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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 18uu42rje .e8wc yv a33v-cm barrel and an objective with a focal length of 8.0 mm. What is the focale4a 3vu cj.w8v2ure3y 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 separatio)mah2 j em3xv*n of 10-5 rad. If the wavelength of the light from the system is 500 nm, j ha)*e 3xmv2mwhat 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 5ffckx,o l9w nju34abkwj( 70designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0kk04wf f (b9 acu3ln,oj75w jx 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 1g a(nf 5p(v)sk8gmy z4.5 mm as the illumination is increased. By what factor does the minimum angle of resolution nkf ggs8 pv5ym)4a(z(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 Hu2 uhoyh(1* cpubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this teleyhoh*pc (1uu 2scope achieve if the wavelength is 500 nm?

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