What would a person hear, if he moves away from a source of sound with the speed of sound?

Assertion : A person wil hear no sound if he is moving away from the source of sound with the speed of sound. Reason : Because the relative velocity of the sound waves with respect to the person is infinite.

What will you hear if you were to move away from a siren with speed of sound?

When an observer moves away from a stationary source of sound, the apparent pitch will

A boy moves away from a steady source of sound at a constant speed the sound he hears will

A boy moves away from a steady source of sound at a constant speed the sound he hears will

A boy moves away from a steady source of sound at a constant speed. The sound he hears will

A source of sound producing wavelength 50 cm is moving away from a stationary observer with (1/5)^(th) speed of sound. Then what is the wavelength of sound received by the observer?

A source of sound producing wavelength 50 cm is moving away from a stationary observer with (1/5)^(th) speed of sound. Then what is the wavelength of sound received by the observer?

A source of sound moves towards a listener with a velocity equal to that of sound. If the source emits n waves per second, then the listener moving away from the source with the same velocity receives