Question

WITH THE HELP OF A DIGRAM DECRIBE YOUNG DOUBLE SLIT EXPERIMENT TO DEMOSTRATE INTERFERENCE OF LIGHT DERIVE AN EXPRESSION OF INTENSITY OF FRINGES

Answer 1

Here is your answer

Answer 2

Answer:

(a) When screen is moved away, D increases. therefore width of the fringes increases. However, angular separation (λ/d) remains the same. ∴ β decreases i.e., fringe width decreases