Q. A wave is represented by the equation $y = 7\sin{\{\pi(2t - 2x)\}}$ where $x$ is in $metres$ and $t$ in seconds. The velocity of the wave is
A) $1\ m/s$
B) $2\ m/s$
C) $5\ m/s$
D) $10\ m/s$
Explanation
(a) $v = \frac{\omega}{k} = \frac{2\pi}{2\pi} = 1\ m/s$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.