# M2_sol - the observer encounter is at a right angle to...

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Physics 133, l:30 section, Midterm Exam #2, November 9, 2010 Name: Recitation Instructor: Albert Patton Schmidt Smith Zizka Problem 6 [20 pointsl. Two point sources of light Sl and 52 emit light in phase and at the same wavelength. They are separated by a distance of 8 wavelengths and are symmetrically placed about the y- axis as shown in the figure. (a) (5 points). What is the phase difference between the light from these two sour,ces for an observer located far to the right on the x- axis? n J - l.^ I 91 r.'L ll',-nz1 : 0A 7-1(. y^ Page Score vely etfilvqb,t,f 40 Ot Mt ZerL, L.Qttn& = ?T^L , F__ (b) (5 points). What is the phase difference between the light from these two sources for aq observer located far to the top on the y-axis? ^L-lv^r-ryl = o ') Ir filot an\ l (c) (10 points). tf an obse#r makes a coAplete.ir.t, uro*a rrr.r, two sources at a of the coordinate
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M2_sol - the observer encounter is at a right angle to...

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