Calculate the speed of longitudinal waves in the following gases at and :

PHYSICS · Multi-part · CBSE · Physics · Waves · Waves

Problem

Calculate the speed of longitudinal waves in the following gases at

0^\circ\text{C}

and

1\,\text{atm}=10^5\,\text{Pa}

: (a) Oxygen, for which the bulk modulus is

1.41\times10^5\,\text{Pa}

and density is

1.43\,\text{kg m}^{-3}

. (b) Helium, for which the bulk modulus is

1.7\times10^5\,\text{Pa}

and density is

0.18\,\text{kg m}^{-3}