The path difference between two interference waves at a point on … - Vidyadip

MCQ

The path difference between two interference waves at a point on a screen is $11.5\, times$ the wavelength. The point is

✓
Dark
B
Bright
C
Neither dark nor bright
D
Data is insufficient

✓

Answer

Correct option: A.

Dark

a
Odd multiple of $\lambda/2$ produces dark fringe.

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