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