Physics-Interference

NEET Physics Interference MCQ Question

Type: MCQ-fact-Hard-Class 12

What is the condition for destructive interference to occur at a point in the interference pattern?

A

The path difference equals (n + 1/2)λ for n = 0, 1, 2, ...

B

The path difference equals nλ for n = 0, 1, 2, ...

C

The phase difference is 0 degrees.

D

The path difference equals 2nλ for n = 0, 1, 2, ...

Correct Answer

Option A

Detailed Explanation

Destructive interference occurs when the path difference between two waves equals (n + 1/2)λ, leading to a cancellation of the waves and zero intensity at that point.

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