What is the effect of pressure on velocity of sound ?

State the expression of apparent frequency when the listener is stationary and the source is moving away from the listener.

Distinguish between transverse and longitudinal wave?

Explain newton's formula for velocity of sound. What are its limitations?

A certain sound wave in air has speed $340 \mathrm{m}/\mathrm{s}$ and wavelength $1.7 \mathrm{m}$ for this wave calculate the frequency of the wave.