AIIMS2012Physics-Wave Optics

AIIMS 2012 Physics Interference MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Two sinusoidal waves of intensity I having same frequency and same amplitude interferes constructively at a point. The resultant intensity at a point will be

A

I

B

2I

C

4I

D

8I

Correct Answer

Option C

Detailed Explanation

The resultant intensity is given by Ik = I1 + I2 + 2√I1I2 cosφ.

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