Question: In the double-slit experiment of Figure the electric fields of the waves arriving at point P are given by E1 = (2.00V/m) sin [(l .26

In the double-slit experiment of Figure the electric fields of the waves arriving at point P are given by
E1 = (2.00μV/m) sin [(l .26 x 1015)t]
E2 = (2.00μV/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?

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