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प्रश्न
Which unit is used to measure sound level?
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उत्तर
संबंधित प्रश्न
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
The speed of sound is more in hydrogen than in nitrogen. Is this statement true? Give a reason for your answer.
Sound waves travel very fast in
Why does an empty vessel produce more sound than a filled one?
Vibrations in a body produce ______.
Why is a sound wave called a longitudinal wave?
