A gun is fired in the air at a distance of 660 m from a person, He hears the sound of the gun after 2 seconds. What is the speed of sound?

660 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

550 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

440 m/s

No worries! We‘ve got your back. Try BYJU‘S free classes today!

330 m/s

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
330 m/s

Distance travelled by sound = 660 m/s

Time taken by the sound = 2 seconds

Speed of sound in air = distance travelled / time

Speed of sound = 660m / 2s = 330 m/s

Suggest Corrections

Similar questions

A man fires a gun towards a hill and hears its echo after 5 seconds. He then moves 310 m towards the hill and fires his gun again. This time he hears the echo after 3 seconds. Calculate the velocity of sound.

Q. If you hear a gun shot 1 seconds after it is fired, how far away from the gun are you? (speed of sound in air

= 330 m s^{- 1})

Q. A man fires a gun and hears the echo from the cliff after 2 seconds. He walks towards cliff about a distance of 85 m and fires the gun again. He hears echo after 1.5 seconds. In this case, the velocity of sound in air is

Q. The density of air at

N T P

1.3 g/L

. Assuming air to be diatomic with

γ = 1.4

, calculate the velocity of sound in air at

27^{\circ} C

Q. A man stands in between two cliffs and fires a gun. He hears two successive echoes after 3 seconds and 5 seconds. What is the distance between two cliffs? [Speed of sound

= 330 m s^{- 1}]

Join BYJU'S Learning Program

A gun is fired in the air at a distance of 660 m from a person, He hears the sound of the gun after 2 seconds. What is the speed of sound?

The correct option is D 330 m/s Distance travelled by sound = 660 m/s Time taken by the sound = 2 seconds Speed of sound in air = distance travelled / time Speed of sound = 660m / 2s = 330 m/s

The correct option is D
330 m/s

Distance travelled by sound = 660 m/s

Time taken by the sound = 2 seconds

Speed of sound in air = distance travelled / time

Speed of sound = 660m / 2s = 330 m/s