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प्रश्न
What causes sound in air?
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उत्तर
The waves in the air causes sound . Through waves , energy get transferred from one place to another and hence the sound.
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संबंधित प्रश्न
Which wave property determines (a) loudness, (b) pitch?
Define time period.
Write the audible range of frequency for the normal human ear.
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
Complete the following sentences :
Wave velocity = ________________ × wavelength.
For which range of frequencies, human ears are most sensitive?
How is sound perceived by us?
What is approximate value of the speed of sound in iron as compared to that in air? Illustrate your answer with a simple experiment.
What is the SI unit of frequency?
What types of medium are required for sound to travel?
