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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 frequency term in relation to a wave.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
What is a megaphone ? Name the principle on which a megaphone works.
Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.
Write the approximate value of the speed of sound in air.
Write the approximate value of the speed of sound in iron.
What is meant by echo depth sounding?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
A sound wavelength of 0.332 m has a time period of 10−3 s. If the time period is decreased to 10−4 s, calculate the wavelength and frequency of the new wave.
What is meant by an echo? Explain.
