The driver of a car travelling with speed `30ms^-1` towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is `330ms^-1`, the frequency of reflected sound as heard by driver is

The driver of a car travelling with speed 30 m/ sec towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is

The driver of a car travelling with a speed of 30 m/s towards a wall sounds a siren of frequency 500 Hz. If the velocity of sound in air is 330 m/s, then the frequency of the sound reflected from the wall and as heard by the driver is

A car travels at a speed of 'a' towards a high wall. The driver sounds a horn of frequency 'n'. If V is the velocity of sound in air, frequency of reflected sound heard by the driver is

A car travels at a speed of 'a' towards a high wall. The driver sounds a horn of frequency 'n'. If V is the velocity of sound in air, frequency of reflected sound heard by the driver is

A car is moving with a velocity of 5 m//s towards huge wall. The driver sounds a horn of frequency 165 Hz . If the speed of sound in air is 335 m//s , the number of beats heard per second by the driver is

A car with a horn of frequency 620 Hz, travels towards a large wall with a speed 20ms^-1 . If velocity of sound is 330ms^-1 the frequency of echo of sound of horn as heard by driver

A bus is moving with a velocity of 5 ms^(-1) towards a huge wall. The driver sound a horn of frequency 165 Hz. If the speed of sound in air is 335 ms^(-1) , the number of beats heard per second by a passenger inside the bus will be