A vehicle sounding a whistle of frequency 256Hz is moving on a straight road,towards a hill with velocity of `10ms^-1`. The number of beats per second observed by a person travelling in the vehicle is (velocity of sound = `300ms^-1`

A source of sound of frequency 256Hz is moving rapidly towards wall with a velocity of 5m//sec . How many beats per second will be heard if sound travels at a speed of 330m//sec .

A source of sound of frequency 256Hz is moving rapidly towards wall with a velocity of 5m//sec . How many beats per second will be heard if sound travels at a speed of 330m//sec .

A source of sound of frequency 256 Hz moves rapidly towards a wall with a velocity of 5 ms^(-1). How many beats per second will be heard if sound travels at a speed of 330 m/s?

A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity of 5 m(s)^-1 .How nmany beats per second will be heard if sound travel at a speed of 330 m(s)^-1 and the observer is behind the source.

An ambulance sounding a horn of frequency "264Hz" is moving towards a vertical ,wall with a velocity of "5ms^(-1)" .If the speed of the sound is "330ms^(-1)" ,how many beats ,per second will be heard by an observer standing a few meters behind the ambulance?

A whistle giving 700 Hz moves away from a stationary observer towards a wall with a velocity of 2 m/s. How many beats per second are heard by the observer ? [Velocity of sound = 348m/s]