In the double-slit experiment of Figure the electric fields of the waves arriving at point P are given by
E1 = (2.00?V/m) sin [(l .26 x 1015)t]
E2 = (2.00?V/m) sin [(l .26 x 1015)t + 39.6 rad], where time / is in seconds.
(a) What is the amplitude of the resultant electric field at point P?
(b) What is the ratio of the intensity Ip at point P to the intensity Icen at the center of the interference pattern?
(c) Describe where point P is in the interference pattern by giving the maximum or minimum on which it lies, or the maximum and minimum between which it lies. In a phasor diagram of the electric fields,
(d) At what rate would the phasors rotate around the origin and
(e) What is the angle between the phasors?
This question was answered on: Jul 11, 2017
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