The equation of a transverse wave on a string is

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

y(x,t)=0.5\sin(0.04x-120t)

, where

x

is in metres and

t

in seconds. Calculate the wavelength of the wave. (a)

79\,\text{m}

(b)

157\,\text{m}

(c)

25\,\text{m}

(d)

0.25\,\text{m}