MCQOPTIONS
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MCQOPTIONS
| 1. |
The equation of a wave motion (with \[t\] in seconds and \[x\] in metres) is given by \[y=7\sin \,\left[ 7\pi t-0.4\pi x+\frac{\pi }{3} \right]\]. The velocity of the wave will be [BHU 2002] |
| A. | 17.5 m/s |
| B. | \[49\pi \] m/s |
| C. | \[\frac{49}{2\pi }m/s\] |
| D. | \[\frac{2\pi }{49}m/s\] |
| Answer» B. \[49\pi \] m/s | |