MCQ
In an interference experiment, the spacing between successive maxima or minima is
(Where the symbols have their usual meanings)
- A$\frac{{\lambda d}}{D}$
- ✓$\frac{{\lambda D}}{d}$
- C$\frac{{dD}}{\lambda }$
- D$\frac{{\lambda d}}{{4D}}$
✓
Answer
Correct option: B.
$\frac{{\lambda D}}{d}$
b
(b) In an interference experiment the spacing between successive maxima and minima is called the fringe width and is given by
(b) In an interference experiment the spacing between successive maxima and minima is called the fringe width and is given by
$\beta=\frac{D \lambda}{d}$
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