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प्रश्न
Explain the effect of density on the speed of sound.
उत्तर
With increase in density, there is decrease in the speed of sound in gas.
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संबंधित प्रश्न
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
Fill in the blank.
Sound requires a ________ for propagation.
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
Why cannot a sound be heard on the moon? How do astronauts talk to one another on the surface of moon?
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
The sound waves travel fastest :
The propagation of sound does not occur through a ______.
Name the Sound of the Frequency Given Below:
45 kHz
______ is the number of vibrations of a particle in the medium, in one second
Rarefactions are the regions of ______ where particles are spread apart.
