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प्रश्न
Fill in the blank.
Sound requires a ________ for propagation.
उत्तर
Sound requires a medium for propagation.
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संबंधित प्रश्न
Cite an experiment to show that sound needs a material medium for its propagation.
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
Sound travels in air :
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
Assuming the speed of sound in air equal to 340 m/s and in water equal to 1360 m/s, find the time taken to travel a distance 1700 m by sound in (i) air (ii) water.
The propagation of sound does not occur through a ______.
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