Propagation of Sound

Which of the following plant is used by Priestly in the bell jar experiment?

Find the method used to light the candle in bell jar experiment without disturbing the setup.

Priestley concluded on the basis of the above experiment that

Bell jar experiment was performed by

Speed of sound in air increases with decreasing temperature.

What are the conclusions of bell jar experiment?

Speed of sound in air is about _____$\mathrm{km}/\mathrm{hr}$.

If the frequency of a tuning fork is 400 Hz, how far will the sound travel when the fork makes 60 vibrations? Given, velocity of sound = 320 m/s

When a sound wave goes from one medium to another, the quantity X remains unchanged. X is

A body produces sound only if it is

Sound waves are

The bell jar experiment demonstrates that:

Sound cannot travel through:

Sound cannot be heard on:

Sound cannot travel in: