Question

Young's double slit experiment is performed in water, instead of air, then fringe width ______.

पर्याय

• becomes infinite

• remains same

• decreases

• increases

Answer 1

Young's double slit experiment is performed in water, instead of air, then fringe width decreases.

Explanation:

${\displaystyle X=\frac{\lambda D}{d}}$

In water the wavelength A. decreases and hence the fringe width decrease.