A transverse sinusoidal wave of wavelength 20 cm is moving along a string towards increasing x. the transverse displacement of the string particle at x=0 as a function of time is shown in figure.

Q. The velocity of propagation of the wave is ?

Options

A. 2cm/s
B. 4cm/s
C. 1cm/s
D. 8cm/s

Answer

A

Explanation

`v=flamda=0.1xx20=2cm//sec`