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प्रश्न
What do you understand by the term sound energy?
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उत्तर
“It is a form of energy that produces the sensation of hearing in our ears.” Sound is produced when a body vibrates.
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संबंधित प्रश्न
State the factors on which the pitch of a sound depends.
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
Select the correct option:
A longitudinal wave consists of:
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
If the wavelength of the transverse wave is 32 mm, calculate the speed with which wave travels across the surface of the water.
What is the SI unit of frequency?
Name three animals, which can hear ultrasonic vibrations.
What are the uses of infrasonic sound?
