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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 shutter is open and the film is exposed in a cacni1by*hp:)k mera is determinedy1nhci k:pb*) 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 reachi xm56ms w xt* a-p.s/0zara 4qi1ny1xqng the film 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 lens-film distance may be varied b5+a+kfbj:r -e a/o dojy sliding the lens fbefo/k aojd+-j+5: arorward or backward with respect to the 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 film with a field of view tha .ga s5i8zx0bjt corresponds approximately to that og.5a 0jsizxb8f normal 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 axdzdlu8, q 0.osh/oi m6 ):hwi telescope 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 covers the film with a z2py:jpcfvvb kc+.d mfv 6 4*+ wider field of view than that of the eye and through which objects vc 6 zbmv:v*c+ffd2p4p jky+.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 follo1t /h wepoxa h2*)ex5awing ways is a 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 e*8kgj+d+y l nlight 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 wh,u;jx0pw qx;oich 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 dga;,bih p z7)pk1/x gobjects 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, t ext:3tv ezme2jw4i +1he person is likely to su 32zmetx: 1wejt4 +veiffer 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 corrected qpb*d lc3.u n8with

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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 to ag.z(yu hn(zj9 vision defect that can be .jyzzg(nu(9h 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+z7md/vrtgq5r. 6 ins is too short from front to back, the person is likely to sufns6r gmt5i /vqdz.r+7 fer 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 correctedutur rto1 su2n/c+u 46 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, this givsrvd/(.dpmh a;;qj7 dwm .y u(es rise to a vision defect that can be correcta/qvj.yps(d;dh(u;mr w7 d.m ed 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 magnifying glass?cp s/n5 .wupw(

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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 diameter objec4yiid;w- ,t zhtive in an astronomical telescop- t,zhi;idw 4ye 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 formedmek+-t +ax +jpvb1 8k2fya e5r by a refracting telescope. Suppose an opaque screen is placed in front of the lower half of the objective ex5 +aber+a 8jmvtfkk21 +p-ylens. 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 vis y,f c3zri8vp9ible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The,ip crvf38 y9z 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 magnificate8..yrsc:3kj wqpr v i2-o+ghion $m$. 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 ablec;vhv(dq u06com vj)( to see the greatest detail when usin(( cdj6uo vc0hvvq)m ;g 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 sufferwjalqn b4b1n-,9 pq0b 8m*wsp from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors sus (f3nphd)aamt.zz 45ffer 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 micm**u*1ik. 0 omk3 yesrlcp p+uroscope 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 doubled, what happens to its rdko9/1f ss3 xkd a1h/ab./kzkesolving power assuming that all other factors remain unchanged? Its /9s1/dk1a.zdk /sbo f3xkahkresolving 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) willlwa1 /z2t/lsc- yahr s.l.0ue allow this person to see distant objects cl 1sl/ate0ayl 2hu.-.l wzr/csearly?

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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 mor 2qnl9 -q0el h/l-1+o hfp+t/wrnq jhme than 70.0 cm away. What power of lens should be prescribed if the-lhep0qnrqomt 2qh / +91jn-+wfh/ll 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 g ulkfwh-s6zs;ra) w l5,+fi2ylasses whose lenses have power of -0.15 D. What is the person's far point if the glasses are very close to the eyes;wh- k syf2+)f z5 warsil6,lu?

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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 farsighted w5+reldy.s9a pbp*-p ness where the uncorrected near point is 75 cm?-s.9w ep+pblp5*y a dr

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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 reading glasxdek6c9 ,.. hsm0m786d6mrvenkx e zmses close to her eyes, and with them she can cohmex ..660x,rkem sk z vd76m8cme9d nmfortably 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 cgh1u* hm (gyv/ub;sr1an read a newspaper held 25 cm from his eyes, if he wears gl*gu ( /b;hrms1 hyu1vgasses 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 nex45 g m2ds;uv4vko)rear point of 25 cm. What is the magnification of the lens for that person when theirv2erkx sov45;4) udmg 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. Aha9 ou(-+pnsn;u b 3tn person has a near point of 25 cm. What is the magnification of the lens for that person when theirup-;aob sn nh(9+ut3n 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. Wha ;a-.p u .ug:oxle)urb-wp2hjt is the magnification if tp;:-bp r)uj he2u.u .lgwao-x he 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 lens of focal length 5.0 cm as a magnifying glass. W 4xqkd82v y zgllw(r6/hat is the maximum w48rvly/l(k xzg6q d 2possible 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 convergds7f1 fu ihm,:ing lens of focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is reladf:su,m 1h fi7xed?

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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.jqh1 6zq u gc)ux;8ik2zc:r.q m/e2q )nx vm8g0 cm, 8.0 cm, and 16.0 cm. If you were to use any two of these lenses to bu81z)6 cgmnru vk: ix;cqx.j8 uq)g2me 2hqzq/ ild 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 ley0h)z :pj.cnxxc):x4 ppci r.nses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses t)pz ij.y: :ncxpx pc4) x0chr.o 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 andf1t 81scw5) 9hsugoje its eyepiece has a fo usote1)j59 ghf8ws1c cal 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. :qr95q0lihw e If the telescope has a90qql: i e5rwh 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 nx w2 vhz1.2ykgd fpu61kw5b3f,nin: a magnification of 10. If the telescope has a converging lens of focal length 50 zx udf161,3 52.2vnyf gp ww:hbkkn incm, 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 telescope. If the u0vhv6k(/awb telescope is limited to a length of 20 cm, what is bwvuk0/a 6 h(vthe 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 length 1.4 mm and an eyepiece o2(7vp 7ieyshm .rvt 8bf focal length 20 mm, adjubt(7vys.p 78mi h2vr ested for 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 focal length 1/vl(g.+1vm* nkla 04ogbzoz q.4 mm and an eyepiece of focalomgq0+kzv ( z/ l4aov1glnb.* length 20 mm, adjusted 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 leng/i q 38gj zmvw:uc.hx6th of 3.00 mm and an eyepiece of focal length 6.00 cm. If thu: 6wvcq8 ij 3x/.zhgme 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 18-9s ukf 1sl5-qw yp-o1lhq jn,9cm barrel and an objective with a focal length of 8.0 mm. What is the focal length of the eyeo ql1k-9yf 5h-1j 9psqun, wslpiece 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 const:/ 3 1z) vnsc;x7+artq.mp-e7 +enupkiliz uy ellation Orion has an angular separation of 10-5 rad. If the wavelength of the light from the system is 500 nm, what is the smalnz a s7cmt-z:/nk l +i y;uexu1r)3pv ieq7p+.lest 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 microscop)zhp1k u n-g dx 06b1ae1-whbie is designed to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelengt0wzap1 b--n1e6 xhbid1gu) khh 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 fro9zmr a15p0u 5 o;ylwefwa:wt wz,txd4j+n a 1*m a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?x* p0w zj9;5wndf:t4w1t,lza may wr5e1+uoa

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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 ha;b7+ fmfr/m hjs been placed into Earth orbit by the space shuttle. What angular resolution could this telescope jb; mmfr7+fh /achieve if the wavelength is 500 nm?

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