Home
Class 12
PHYSICS
A car travelling at a speed of 8 m/s tow...

A car travelling at a speed of 8 m/s towards a large wall horns a sound of frequency 130 Hz if the person stands behind the car such that the car receding from him approaches the wall the no. of beats heard by him per second is (velocity of speed in air 340 m/s)

Text Solution

Verified by Experts

The correct Answer is:
6
Promotional Banner

Similar Questions

Explore conceptually related problems

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

An engine blowing a whistle of frequency 133 Hz moves with a velocity of 60(m)/(s) towards a hill from which an echo is heard. Calculate the frequency of the echo heard by the driver. (velocity of sound in air in 340(m)/(s) .)

An engine blowing a whistle of frequency 133 Hz moves with a velocity of 60(m)/(s) towards a wall from which an echo is heard. Calculate the frequency of the echo heard by the driver. (velocity of sound in air in 340(m)/(s) .)

a bus is moving with a velocity 4 m/s towards a wall, the driver sounds a horn of frequency 173 Hz . if the speed of sound in air is 350 m/s. the number of beat heard per second by a passanger on the bus will be

A car travelling with speed V/50 towards a hill, (where v is speed of sound in air), sounds a horn of frequency 196 Hz. The number of beats heard per second by the driver when reflected sound reaches the driver is

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

A car is moving with a constant velocity 10 m//s towards the stationary wall. The car blows a horn of frequency 320 Hz . The velocity of sound in air is 330 m//s . The beats frequency received by the observer is

A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4(m)/(s) Then the number of beats heard by a stationary listener between direct and reflected sound will be (velocity of sound in air is 340(m)/(s) )

Two cars A and B are moving towards each other with samne speed 25 m/s. wind is blowing with speed 5 m/s in the direction of motion of car A. The car A blows horn of frequency 300 Hz and the sound is reflected from car B. the wavelength of te reflected sound received by the driver of car A is (velocity of sound in air =330m/s)

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