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

A car with a hom of frequency 620 Hz travels towards a large wall with a speed of 20 m//s . velocity of sound is 330 m//s . The frequency of echo of sound of hom as heard by the driver is

A car with a horn of frequency 620 Hz travels towards a large wall at a speed of 20 ms^(-1) the frequency of echo of sound as heard by the driver is x xx10^2Hz , what is the value of x (velocity of sound -330m/s

A car, sounding a horn of frequency 1000 Hz, is moving directly towards a huge wall at a speed of 15 m/s. If speed of sound is 340 m/s, then the frequency of the echo heard by the driver is

A car sounding its horn at 480 Hz moves towards a high wall at a speed of 20 ms^-1 . If the speed of sound is 340 ms^-1 , the frequency of the reflected sound heard by the passenger sitting in the car will be nearest to

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