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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 a8e c ebb)v6c1*hh-unp nd the film is exposed in a camera is determined bcu1b b)-68h*e nhvcepy 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 rezr7kfctbk7x4+)as t , aching 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-fish ,xc3 8;4gl5 yflbbplm distance may be varied by sliding the lens forward or backward with respect to the camera housing. If, with such a camera, a fuzzy picture is obt b;l84xl3 fg, 5bhcspyained, 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 *4qde 1-mhc methat corresponds approximately to that of normal vismh*mq 4ed1- ceion 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 imatgqx3,yi x3ov6 bf.rf1kn r27 ges 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 tuh68 p(d ofj/*5h*ipbr dd;g wider field of view than that of the eye and through whidftdhh(pj*g/8*ib5pr6 ;uod ch 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 isgni9oy 9 7qi 5bj03f2pyp2 l;vxb9qnw 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 light by the eye occurs at t6)/eqoi -xlsvu;kn1 yu*y v *she

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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 can5)o gplrd ib3. 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 objrfkn l 1;up(3cects 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 long7xh*ehg q5dj8al/ 4c o.(gzzl from front to back, the person is likely to suzgqx 5a8e* hzj(dh4cg7. o/ll ffer 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 coc p3q1+,qxq9 or1s:c+cdrk1 w r 7nkbqrrected 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 gl3.edy b6hj ap+,fe3 pives rise to a vision defect that can b .aej3h63lfeby +p ,pde 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 1m qd28hxxk8m person is likely to suffer from812h dm qmxkx8

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usgvg fm1h8 xtujj+1;)m ually be 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, this gives rish*ew3z;t+v w ke to a vision dvk+z* tw;3hew efect 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 c0rii *h p6w+syamo. .magnifying 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 diameter objective in an astro 6 jnvw6l :-;yul5sl.u/cfcmu nomical te uj ;c.:6mus ul/cyvl6fwl- n5lescope 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 bs ka7:1(n9b2p vdfsbby a refracting telescope. Suppose an opaque screen is placed:bapn bvdf(9bs7 2s1k in front of the lower 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 uniform sensitivity throughout the visibl* kogr,dcm1o 5p+qb*h ko4k1 ae spectrum, in which of the following cases would you be able to best distingukkm a 5**hpg qcbdoo 1+,r14koish 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 has a magni8efir1z1k 4 4towgtm zt:7*lpfication $m$. 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 woul1y.mejjlid( +w6( phpd you expect to be able to see the greatest detail when using a microscopjepj(6 (hpi .wyd 1+mle?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffer fro eyfo4p-l+6o qm

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer froki8apup00 zf .m

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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 refery;(k2 ai 9fgfes 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 ryejt- 7v uh59i6ob0axadar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged6 -y o5xbh7iu9jte0av? 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) 5 o nt*+c4xvlzwill allow this person to see distant objec*cx+45 nov zltts 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. ji1r.l,n ye:v What power of lens should be jiye nlv.1:,rprescribed 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/d jmuqa8 xs(*uo mi.soq7va14xb -)t power of -0.15 D. What is the person's a7o(.-qmx1sid)mj qu4b8 ua/ x*svto far point if the 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 fa6 je3t-; ;co (cwiqai4ogxi 1hrsightedness where the uncorrected near poii w;i;g1( tq3e4coh cjio6x -ant 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 (xi:vgk+ bly5ng ;m:ais 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm.l:( :yvin+axmg;b 5gk 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 c;vh:cqpf7-otchstg ft(18f7 c j 8ogp ur84; man read a newspaper held 25 cm from his eyes, if he wears glasses ofhtphjft7u c74c8mqov:g8 f;1p og8- cs t ;(fr
+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 foca/fn) d :mn9om lp)dxe7l length of 10 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person wf9xn:nm7e)/ d)ldpm o hen 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 focalc)dh3i1 22hpwxi0x b )* 9+zinljuwgf length of 10 cm. A person has a near point of 25 cm. What is the magnification of the iwxwh)1 c +2d *p3i9lfh)uzxn0ibj g2 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 length of 7.0 cm. What is ly qudxjpb1-/,j ;u ;mi(kw h1the magnification if the image is vuuh;j-;,1bxpmwd j / ily1(kq iewed 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 conve1rsc6ib :6ey zrging lens of focal length 5.0 cm as a magnifying glass. What is the maximum possible magnificati6iz e:6cs1r byon?

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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 gl5yc/8rzxl i t/ass. Wyt/ c5 xrl/i8zhat is the 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 g/ q 0og+l9,b2bqbovs2.0 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 q0o9/lgsb 2o+v g b,qbmaximum 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 focal lengths 2.0 cm, 4.0 cm, 8.0 cm,h,w gk9 *nzc x5tu*o7f and 16 cm. If you were to use any two ohfo 9,gu*kxzn *w7t c5f 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) u*zj2cgzl4* io,y, ku3ic jv focal length of 200 cm and its eyepiece has a2ujgoui ,kz)* lycv3z i4,cj* 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 w2y.)rmuguu*fho af4e(-q(t an astronomical telescope with a magnification of 10. If the telescope has a co.(h gm(ut*a)24 rw u-ufyqefonverging 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 4,+y(uouqv* cb 3*fycjiwh,hl9) lhe magnification of 10. If the telescope has a converging lens of fo 9cqe3*lyho hc*+h(f jbi yuv )l,4w,ucal 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 telescope. If the telescope is limited to9i1d y uyr-llp9d7)du x d/2 lnd) 3qre*slr/t a length of 20 cm, what /)udr / irl*3qyp9 dld enylx2t1lusd-79)dr 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 focj yn-,meztj 1;mw7x0 xal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 m,7 jwyxtz mnx1j0 -e;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 1.4 mm and an eyepiecwc:s 1o 8tlmc*aqu+e 2e of focal length 20 t u2* a8+oelmcsw:1 qcmm, 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 wit(on28q 1ryb ith a focal length of 3.00 mm and an eyepiece of focal lengt8 (1oy b2nqirth 6.00 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 bar 7;4 q2qzv)ud +3:gnncias zmyrel and an objective with a focal length of 8.0 mm. What ;a mq n:quz47i23 yc)zgds n+vis the 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 anguladk4+m ;eve +uwr separation of 10-5 rad. If the wave4wu vm+ed +ke;length 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 ddlm6suo 7hg7 -esigned to resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of lighus6 g-7 dhlmo7t 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 ey8l0szj fp v wyniigb3 2y5-,q7e changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By whati ysgz3j, f-0i82qb 5vyp7l nw factor does the minimum angle 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 Telescope has been plac 9utvbf c(2(p+fkzi3red into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength isf2t( z3kpfib uv+( cr9 500 nm?

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