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प्रश्न
Which unit is used to measure sound level?
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उत्तर
संबंधित प्रश्न
How does the loudness of sound produced depend on the vibrating area of the body ?
Complete the following sentences :
Wave velocity = ________________ × wavelength.
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
Sound is generated by the rhythmic ______ of an object.
The sound produced by a thunderstorm is heard 10 s after the lightning is seen. Calculate the approximate distance of the thunder cloud. (Given the speed of sound = 340 m s–1.)
Vibrations in a body produce ______.
In which medium the speed of the sound is maximum?
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Find the odd one out.
Two sound waves X and Y have the same amplitude and the same wave pattern but their frequencies are 60 Hz and 120 Hz respectively, then ______.
