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CGP EDU Academic Team
Published on: September 12, 2026
The equation of progressive wave is $y = 0.2 \sin 2 \pi \left[\frac{t}{0.01} - \frac{x}{0.3}\right]$ , where x and v are in metre and t is in second. The velocity of propagation of the wave is
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A
$v = \frac{\text{co-efficient of t}}{\text{co-efficient of x}} = \frac{2\pi/0.01}{2\pi/0.3} = 30 \mathrm{m/s}$
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