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1. |
The equation of displacement of two waves are given as \[{{y}_{1}}=10\sin \left( 3\pi t+\frac{\pi }{3} \right)\]; \[{{y}_{2}}=5(\sin 3\pi t+\sqrt{3}\cos 3\pi t)\]. Then what is the ratio of their amplitudes [AIIMS 1997; Haryana PMT 2000] |
A. | 1 : 2 |
B. | 2 : 1 |
C. | 550 Hz |
D. | None of these |
Answer» D. None of these | |