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प्रश्न
State two factors on which the natural frequency of a body depends.
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उत्तर
(i) The shape of the body, and
(ii) The size of the body.
संबंधित प्रश्न
Define wave velocity term in relation to a wave.
What is a megaphone ? Name the principle on which a megaphone works.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
Write the approximate value of the speed of sound in water.
What is meant by echo depth sounding?
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
Explain why, the ceilings of concert halls are curved.
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. The ratio of its wavelengths in water and air is ______.
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
