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习题练习:Physics Unit25: Optical Instruments

 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 film is exposed in a ulu: m75wo1ss z;1xwdcamera is demus1: 5du zwoxw71l;stermined 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 determine92is:7+o+gsw3sk wa ss a zx*ed 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 mayg t9 d+r68lvav be varied by sliding the lens forward or backward with respect to the camera h89rda tvl+6vgousing. 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 correspz (-bf(ni+n chikq(7g onds approximately to that of normal v( (ib q-7hzn(kf ign+cision 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 bb4lmr(v cv36a9wci: 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 with5z; z apq6.(zpa5rfhe a wider field of view than that of the eyepa(rah6; 5.efzzqpz5 and through which 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 camera dif r-5yyau yv+ w2zpl /a2/fsy(vo5 tlb7ferent 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 lisonq+q+ vz+bqi 3ov g4-j8 7xoght 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 +h1 qx ;8) ksok7kpb8cmtt,i onb6 az vjp866lat 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 clearly ixxbn8 ft:xj;v;6x h3j t)r8 vus

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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 ie(q stic6-3oc aeud1-s likely to suffees6a1icqdu3-ce -to ( r 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 b h7qe3my3cj03pq 7 fqoe 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, t bp8,kels dd58s* c8pihis gives rise to a vision defect that can b5s s *p,k8idlcpb 88dee 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 eyebal o8qh0cacstb.1r*kl 26dkf; vl is too short from front to back, the person is likely to suffea6fq0lb dc kk h2c1stov*;8r.r 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 with; l5ivv tz/3b u.cs.zz

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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 t+ggv y zhk h7g,rqh-5 i(4rk5voo short from front to back, this gives rise to a vision defect that can be corrected by usii 45-y7qgvr+g5hzh h( kvrkg ,ng

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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 magn+/ )wnq1lwk*2d8hvgr uyb i0gifying 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 usi h x; 1wox1f8jda5s3pcng a very large diameter objective in an astronomical81wjxxdcs oa3h;p f15 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 pk , ;)gvr(y3syw9 yadbo(g,s telescope. Suppose an opaque screen is placed in front of the lower half of the objectd9p y(; )swkg, ,rg yosbyv(3aive 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 spectr tb;rllv swzis:1z45 28(slr hum, 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 o85lwr(2sbls zt: ;4l z v1srihf 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 telescope9u 6p9r+jt/bmxiyx,q 9 wqxw+ 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 expect to be aby9:/qx mn(mx, :akq3i 4p ;xzc+usa wcle to see the greatest detail when using a micro,39;qman qxwak: 4yu xzpcm (sc+/x i:scope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fr cnw8dfu:+u (oom

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frxkw /c2ins s4fx4 x,m9om

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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 the ability t ngf2zz 7,f yr/cca,5m4mf0ot o

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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 happens to its resolving power *y whiguj;2q9/yyu),rbpzp* +5h z v bjz9yy u* 2w b*;u)5 hvrg+ibyp,hz qp/assuming that all other factors 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 fa j 3di un wx1:8xjz3s43waf)uncpi;9sr point of 18 cm. What lens (in diopters) will allow this person to seexsd nw zc:4sj;p )ix9n 3jfwa8u313iu 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 a-vihwhduplh 39b8et. 9 b d-q*way. What power of lens should be prescribed if the glass .p- t 9*8 bhv-hqdheilu w39dbis 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 1h6wm9b)e tcd lenses have power of -0.15 D. What is the person's far point if the glasses are e )69b1dwcmh tvery 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 farsightedness where the uncorrecd4q- bh) x:dklpes h+8ted near skplq 8:ded)h-hx+b4point 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 r7iiqdbvg)6 3,p1 zkr)i f fj/eeading glasses close to her eyes, and with them she cai/df 7i vfe 1r)gkpzb)j3,i6qn 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 a newspaper held 2vt h6o4a )u y6ctw yr-0dc)qc+5 cm from his eyes, if he wears glasses oft)d0v6-crqt 6 +h)c4 acyuwyo
+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 25 vha1-ds; .+ txe ya;dhcm. What is the magniy;thha -ev.d;s xad 1+fication 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 a focal rnkiu 9i..dv *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 kd9ii urn*..voint?

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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 c3f0g;z vldzmm fho*;+ m. What is the magnification if tm;;vffdgl3oh z+ z0*mhe image is viewed 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 lens9g 9tduus/ewkp- ;4iyg2-irt of focal length 5.0 cm as a magnifying glass. Whatuu4gtdep--g 9w y;iit9rsk/2 is the 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 converging lens of focal length 5.0 cm as a magnifying g4a carkw3 r02ee-z -* ixwkw5+ daq4rklass. What is the magnification if the person's eye is relaxedar *qzk3+ e4e2a-w0r4r dawcw5- xk ik?

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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 cm. n-b(7 kpxfoyl2* o hj- If you were to use any two of these lenses to -b*lojf2x- pyn(hok7build a 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 fv;nyhsb6j7y nlb1w f1c4d 3.t ocal 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 is the lens separa h61bcfl7n dstb314 y v.wyj;ntion 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 tevq/w5 9j b8el v)odj9nlescope has a focal length of 200 cm and its eyepiece has a focal dv)5 9 wvne/9 qjbojl8length 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 -givt (z-wo:s 10. If the telescope has a converging lens of focal length 50 cm, what is the zi(t-ogs -vw: 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 magsyv -p5jlo/7-e gbdq(ty /e/nnification of 10. If the telescope has a converging lens of focal length 50 cm, what is the resuly e/ tv5es/j q7lognp( d/y-b-ting 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 lik)r8*fcp +x kshrsh6z lj q/ai()-5w ymited to a length of 20 cm-+z*kqk ) 8x cr)lr5/ihssf (hyj apw6, what 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 objective lens of foc(*z yx tiy8fe -l)c4ytal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted ftzx-*c i (fytl yy4e)8or minimum eyestrain. A blood 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 fo .se1ml c;bdkem);a v/cal 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 objective. What is the overallb;m)sde ;a.evk/l c1m 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: )gf//wu k4pg dxuz2s.00 mm and an eyepiece of focal length 6.00/u:pzxw4 u d2)/sk fgg 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 and an objective with a focal lendil-lz em1;un89e 7)tu4oxqj h 8u:pmgth of 8.0 mm. What is the focaldhu)iplm7x1j; 9uome8:z 84uq -l net 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 o so;;6rcz r:fgf 10-5 rad. If the wr;6rg c:sf ;zoavelength of the light 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 designedzbq.aw75jdz( 4 pd e+w to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and thea eqwbw j+4( .p57zddz wavelength of light used 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 3.5 mm to 1-b4 rm xvv23:vkg5cik.5 mm as the illumination is increased. By what factor does the minimum angle of resoluti :23kvgb-rimvv5 kx4con 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 Hubbl( 9kq 9dzzq6a7(oddj ye Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this te(d(ay6q dzd7 9qzkj 9olescope achieve if the wavelength is 500 nm?

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