Question

In the wave equation $y=05 \sin \frac{2 \pi}{\lambda}(400 t-x) m$ the velocity of the wave will be :

• A. $200 m / s$
• B. $200 \sqrt{2} m / s$
• C. $400 m / s$
• D. $400 \sqrt{2} m / s$

Answer 1

Answer: (C)

$400 m / s$

Answer 2

From the given options the correct answer is option (C): 400 m/s.