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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
How are the wavelength and frequency of a sound wave related to its speed?
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
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In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
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(b) Explain how Anhad receives sound in both ears.
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