Two waves of the same frequency and intensity superimpose with each other in opposite phases. Then after superposition the

Intensity increases to four times

Intensity increases to two times

Frequency increases to four times

Two waves of the same frequency and intensity superimpose with each ot

1.	Two waves of the same frequency and intensity superimpose with each other in opposite phases. Then after superposition the
A.	Intensity increases to four times
B.	Intensity increases to two times
C.	Frequency increases to four times
D.	None of the above
Answer» E.