waves

Question: Two waves having equations ${{x}_{1}}=a\sin (\omega \,t+{{\varphi }_{1}})$, ${{x}_{2}}=a\sin \,(\omega \,t+{{\varphi }_{2}})$. If in the resultant wave the frequency and amplitude remain equal to those of superimposing waves. Then phase difference between them is



1) $\frac{\pi }{6}$
2) $\frac{2\pi }{3}$
3) $\frac{\pi }{4}$
4) $\frac{\pi }{3}$
Solution: Explanation: No Explanation
Interference Superposition of Waves

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