Question

Expression for the intensity at any point on the observation screen in young double slit experiment. Hence write the conditions for constructive and destructive interference

Answer 1

Heya Friend,

This was just a complicated issue to types such expressions on the keyboard....

{Please refer the first & second attachment respectively for the answer}

Hope it helps....

Answer 2

There are three conditions for constructive and destructive like - The multiple waves should go in the same border, The waves should be coherent means these waves's have different phase, The waves should be in single wavelength.

These waves create difference of light. If a person walk he or she can follow this closely.