Question
Question: The equation of a progressive wave is given by \(y = a\sin(628t - 31.4x)\) If the distances are exp...
The equation of a progressive wave is given by
y=asin(628t−31.4x) If the distances are expressed in cms and time in seconds, then the wave velocity will be
A
314 cm/sec
B
628 cm/sec
C
20 cm/sec
D
400 cm/sec
Answer
20 cm/sec
Explanation
Solution
v=Co-efficient of xCo-efficient of t=31.4628=20cm/sec