Advertisements
Advertisements
Question
What do you mean by the term frequency of a wave? State its S.I. unit.
Solution
The number of vibrations made by the particle of the medium in one second is called the frequency of the wave. It can also be defined as the number of waves passing through a point in one second.
Its SI unit is hertz (Hz).
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
A ticking clock sound is heard late when heard through a metal.
How do we produce sound ?
You recognize your friend by hearing his voice on a telephone. Explain.
Distinguish between loudness and intensity of sound.
A stone is dropped on the surface of water in a pond. Name the type of waves produced.
Name the type of waves produced when a tuning fork is struck in air.
Explain meaning of the terms compression and rarefaction in relation to a longitudinal wave.
Name three animals which can hear ultrasonic vibrations.
The sound produced by a thunderstorm is heard 10 s after the lightning is seen. Calculate the approximate distance of the thunder cloud. (Given the speed of sound = 340 m s–1.)
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
