Question

The face difference(∆ф) between two superimposing waves to obtain constructive interference and his right band is :

• A. ∆ф=np;n=1,2,3,4,5
• B. ∆ф=2np;n=0,2,3,4,5
• C. ∆ф=nπ/2;n=1,2,3,4,5
• D. ∆ф=3nπ/2;n=1,2,3,4,5

Answer 1

The Correct Option is B

The correct answer is (B): ∆ф=2np;n=0,2,3,4,5