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प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
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उत्तर
The number of times a body vibrates in one second is called its frequency.
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संबंधित प्रश्न
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
Fill in the blank.
The pitch of a sound depends on its ________.
Define the term amplitude of a wave. Write its S.I. unit.
For which range of frequencies, human ears are most sensitive?
Describe briefly an experiment to prove that vibrating bodies produce sound.
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.
he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?
In longitudinal waves, the particle vibrates in a ______ direction of propagation.
What is a wave?
Find the odd one out.
