Advertisements
Advertisements
Question
Advertisements
Solution
Given velocity = 330 m/s frequency = 256 Hz
Wave - length = `"velocity"/"frequency" = 330/256` = 1.3 m
APPEARS IN
RELATED QUESTIONS
Why are sound waves called mechanical waves?
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
Complete the following sentence :
Sound is produced by a ___________ body.
What is musical sound? Give an example.
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
Explain how the principle of echo is used by
The bat during its flight at night
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
