First slide

Coherent sources and their importance in interference

Question

In Young’s double slit experiment the wavelength of light was changed from 7000 Å to 3500 Å. While doubling the separation between the slits which of the following is not true for this experiment

Easy

A

The width of the fringes changes
B

The colour of bright fringes changes
C

The separation between successive bright fringes changes
D

The separation between successive dark fringes remains unchanged

Solution

$β \propto \frac{λ}{d}$

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