Calculate the difference in the speeds of sound in air at and pressure of mercury

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

Calculate the difference in the speeds of sound in air at

-3^\circ\text{C}

and

60\,\text{cm}

pressure of mercury, and at

30^\circ\text{C}

and

75\,\text{cm}

pressure of mercury. The speed of sound in air at

0^\circ\text{C}

332\,\text{m s}^{-1}