A standing wave is represented by y = A sin (100t) cos (0.01x) where y and A are in millimetres, t in seconds and x in metres. The velocity of the wave is ………
A. 104 m/s
B. 1 m/s
C. 10-4 m/s
D. not derivable from the above information
Answer:A
A standing wave is represented by y = A sin (100t) cos (0.01x) where y and A are in millimetres, t in seconds and x in metres. The velocity of the wave is ………
A. 104 m/s B. 1 m/s C. 10-4 m/s D. not derivable from the above information