Question

Four different independent waves are represented by
(i) $y_1=a_1\sin \omega t$
(ii) $y_2=a_2\sin 2\omega t$
(iii) $y_3=a_3\cos \omega t$
(iv) $y_4=a_4\sin \left(\omega t+\frac{\pi }{3}\right)$
With which of two waves interference is possible?

• A. (i) & (ii)
• B. (i) & (iv)
• C. (iii) & (iv)
• D. Not possible with any combination

Answer 1

Answer: (D)

(They are independent waves)