MCQ
The path difference between two interference waves at a point on a screen is $11.5\, times$ the wavelength. The point is
- ✓Dark
- BBright
- CNeither dark nor bright
- DData is insufficient
✓
Answer
Correct option: A.
Dark
a
Odd multiple of $\lambda/2$ produces dark fringe.
Odd multiple of $\lambda/2$ produces dark fringe.
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