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संबंधित प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
You recognize your friend by hearing his voice on a telephone. Explain.
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
For which range of frequencies, human ears are most sensitive?
200 waves pass through a point in one second. Calculate the time period of wave.
Can you hear each other in a dark room?
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
Why does an empty vessel produce more sound than a filled one?
What is a wave?
