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प्रश्न
A medium is necessary for ______ of sound.
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उत्तर
A medium is necessary for propagation of sound.
संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
How is sound produced ?
Define time period.
How can the pitch of sound produced in a piano be changed ?
In fig. shows a snap shot of a wave from of frequency 50 Hz in a string. The numbers in the diagram represents distance in centimeters. Fpr the wave motion, find
(a) Wavelength,
(b) Amplitude,
(c) Velocity.
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
The speed of sound in air at 0°C is nearly :
Select the correct option:
The longitudinal waves can propagate only in
Vibration of object produces ______.
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
