MCQ
Width of interference fringe is :
- ✓$ B=\frac{D\lambda}{d} $
- B$ B=\frac{d}{D\lambda} $
- C$ B=\frac{D\lambda}{D} $
- Dd.Dλ
✓
Answer
Correct option: A.
$ B=\frac{D\lambda}{d} $
A
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