Question

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

• A. Intensity increases by 4 times
• B. Intensity increases by two times
• C. Frequency increases by 4 times
• D. None of these

Answer 1

Answer: (D)

None of these

Answer 2

f = 0, 2z ……..

I¢ = I + I + 2$\sqrt { 16 }$. $\frac { \mathrm { Mg } } { \mathrm { k } }$ = 4I