Question

Intensity of light at a point on the screen when two
monochromatic coherent beam of intensity 9Iand
4I, having a phase difference of a/2 interfere each
other is
(1) 5I
(2) 25I
(3)I
(4) 13 I​

Answer 1

Answer:

bake Zac'sin

Explanation:

b2"5=5'‹2'82,

Answer 2

Answer:

I think 25l

Explanation:

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