☰
✕

Mechanical Properties of Fluids
Question
Wired Faculty App

Two trains A and B on platform are at a certain distance apart and sounding horn at same frequency. When a person standing between two trains starts running from train A towards B, he hears beats. Explain why.

Answer

When the person starts running from A to B, the frequency of the sound of the horn from train A received by the person will be more, and that of from train B will be less. The person hears the beats, due to the difference in the frequency of sound received.

Sponsor Area

Some More Questions From Mechanical Properties of Fluids Chapter

Is it logical to say that wave motion is a process of propagation of mass?

What is common property of all types of waves?

What are different types of wave motions?

Define transverse wave motion.

Define longitudinal wave motion.

Which of the two waves - elastic waves or electromagnetic waves does need any material media for its propagation?

What is sound?

How sound is produced?

Can sound travel in vacuum?

Can two persons hear each other on the moon? Explain.