Question

The displacement y of a wave travelling in the x direction is given by y = (2 x 10^-3) sin `(300 "t" -  2x  +  pi/4)`, where x and y are measured in metres and t in second. The speed of the wave is:

Options

• 150 ms^-1

• 300 ms^-1

• 450 ms^-1

• 600 ms^-1

Answer 1

150 ms^-1