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प्रश्न
What is sound? What causes it to produce?
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उत्तर
A sound is a form of energy. It is that external physical cause that affects the ear to produce the sensation. Sound is produced only when some material body is made to vibrate.
संबंधित प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
How is sound produced ?
Why are the waves mentioned by you not audible to us?
What is the nature of sound waves in air?
Explain meaning of the terms compression and rarefaction in relation to a longitudinal wave.
Select the correct option:
The longitudinal waves can propagate only in
The wavelength of the vibrations produced on the surface of water is 2 cm. If the wave velocity is 16 ms-1, calculate:
- no. of waves produced in one second
- time required to produce one wave.
Can you hear the sound produced due to the vibrations of second's pendulum?
Describe with diagram, how compressions and rarefactions are produced.
