In Young’s double slit experiment |Wave Optics|JEE MAIN 2021

JEE MAIN 2021

27-07-21 S1

Question

In Young’s double slit experiment, if the source of light changes from orange to blue then :

Select the correct option:

The central bright fringe will become a dark fringe.

The distance between consecutive fringes will decrease.

The distance between consecutive fringes will increase.

The intensity of the minima will increase.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Fringe width $=\lambda \mathrm{D} / \mathrm{d}$
as $\lambda$ decreases, fringe width also decreases

Question Tags

JEE Main

Physics

Easy

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