MODEL QUESTIONS

The temperature at which speed of sound in air is double its speed at $0°\mathrm{C}$ is

Which of the following properties of sound is affected by change in air temperature?

Sound waves are travelling in a medium whose adiabatic elasticity is ${\mathrm{E}}_{\mathrm{H}}$ and isothermal elasticity is $\mathrm{E}$. The velocity of sound waves is proportional to

The fundamental frequency of an open pipe is $\text{'}\mathrm{f}\text{'}$. Higher frequencies which the pipe can produce are

Two tuning forks can produce distinct beats if their frequencies are

The velocity of sound waves of frequency 200 vibrations per second at a place in the air medium when compared with the velocity of sound waves of frequency 400 vibrations per second is

For every $1°\mathrm{C}$ rise in temperature, the velocity of sound waves

On an increase of $1°\mathrm{C}$ in temperature the speed of sound in air increases by _____.