Categories > wave-optics > Wave Nature and Interference of Light > Two waves are represented by the equations ${y_1} = a\sin \omega t$ and ${y_2} = a\cos \omega t.$ The first wave

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Question: Two waves are represented by the equations ${y_1} = a\sin \omega t$ and ${y_2} = a\cos \omega t.$ The first wave


1) Leads the second by $\pi$
2) Lags the second by $\pi$
3) Leads the second by $\frac{\pi }{2}$
4) Lags the second by $\frac{\pi }{2}$
Solution: Explanation: No Explanation
Wave Nature and Interference of Light

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