alleryTwo coherent sources of intensity I and 4I interfere. Maximum intensity in resulting pattern:
A5I
B9I
CI
D3I
Answer & Solution
Correct answer: B. 9I
We have I_max = (sqrt(I₁) + sqrt(I₂))².
That is I_max = (1 + 2)² × I.
So I_max = 9I.
We have I_min = (sqrt(I₁) - sqrt(I₂))².
So I_min = I.
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