Propagation of Sound
Propagation of Sound: Overview
Sound is produced by vibrating objects. Here, we will study about the types of materials or substances required for the transmission of sound. It discusses characteristics of sound waves and also mentions the speed of sound in different mediums.
Important Questions on Propagation of Sound
Describe an experiment to sound requires a medium to propagate.
Draw the displacement-time graph of a longitudinal wave.
Draw the displacement-distance graph of a longitudinal wave.
State the factors on which the speed of sound depends.
A source of wave produces 40 crests and 40 troughs in 0.4 seconds, then the frequency of the wave is
If 20 waves are produced per second, then its frequency in Hz is
When a vibrating object moves forward, it pushes the air in front of it creating a region of high pressure. This phenomenon is called_____.
The pitch of guitar sound is higher because of the frequency of sound produced by guitar is _____ than that of car horn.
How is the direction of the oscillation of particles of the medium related to the direction of propagation of sound waves?
The vibration of the particles of the medium in longitudinal waves is
The wave having compression and rarefaction is known as
How does sound transmit in solids, liquids and gases? Explain it.
