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प्रश्न
What is sound? What type of waves are sound wave in air?
उत्तर
Sound is a form of energy that makes us to hear. Sound waves are longitudinal waves in air.
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संबंधित प्रश्न
Write true or false for a given statement.
Loudness depends on frequency.
What is a longitudinal wave ?
Name the characteristic which differentiates two sounds of the same pitch and same loudness.
How can the pitch of sound produced in a piano be changed ?
What is the difference between a compression and a rarefaction in a sound wave? Illustrate your answer with a sketch.
At 20°C, the minimum distance of a person from a sound reflecting surface to hear an echo is :
The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s-1, find the frequency of wave.
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
Note is a sound
