Question

Wave of frequency 200hz is produced in a string .q
Here amplitude is 5 cm
Wavelength is 10cm Find velocity

Answer 1

$\underline{\underline{\Large{\bf Given:-}}}$

$\bull\sf Frequency=f=200Hz$

$\bull\sf Amplitude=A=5cm$

$\bull\sf Wavelength=\lambda=10cm=10^{-1}m$

$\underline{\underline{\Large{\bf To\:Find:-}}}$

$\bull\sf Velocity=\nu$

$\underline{\underline{\Large{\bf Solution:-}}}$

We know

$\boxed{\sf v=f\lambda}$

$\\ \sf\longmapsto \nu=200\times 10^{-1}$

$\\ \sf\longmapsto \nu=20m/s$

$\underline{\underline{\therefore{\sf Velocity\:of\:wave\:is\:20m/s.}}}$