Q. Two waves interfere constructively when their phase difference is

दो तरंगें रचनात्मक रूप से हस्तक्षेप करती हैं जब उनका चरण अंतर होता है

A

B
π
C
π/2
D
3π/2

Explanation

Constructive interference occurs when the phase difference = 2nπ (n = 0, 1, 2...), i.e., the waves are in phase and amplitudes add up to produce a bright fringe.

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