Physics II Lab w answers_Part_61

Physics II Lab w answers_Part_61 - 133 write =...

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Unformatted text preview: 133 write = & = = sin A sin a sin a sin E n 2 2 n sin E E------------------------- (8) where, = = sin a and E n A----------------------------- (9) thus, ) t cos( sin A E - =----------------------------(10). The corresponding intensity distribution is given by 2 2 sin I I =--------------------------------- (11) where I 0 represent the intensity at & = 0. I.2. Positions of the maxima and minima: The variation of the intensity with is shown in fig 2a. From eq(11) it is obvious that the intensity is zero when = m , m 0 --------------------------------- (12) or a sin & = m ; m = 1, 2, 3 (minima) In order to determine the position of the minima, we differentiate eq(11) wrt. and set it equal to zero. This gives Tan = (maxima) ---------------------------- (13) The root = 0 corresponds to the central maximum. The other roots can be found by = 0 corresponds to the central maximum....
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This note was uploaded on 11/26/2011 for the course PHY 2053 taught by Professor Lind during the Fall '09 term at FSU.

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Physics II Lab w answers_Part_61 - 133 write =...

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