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संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
Distinguish between loudness and intensity of sound.
We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called :
Distinguish between compression and rarefaction.
In fig. shows a snapshot of a wave from of frequency 50 Hz in a string. The numbers in the diagram represents distance in centimeters. For this wave motion, find
- wavelength
- amplitude
- velocity

A thin metal plate is placed against the teeth of cog wheel. Cog wheel is rotated at a speed of 120 rotations per minute and has 160 teeth. Calculate:
- frequency of node produced.
- speed of sound, if wavelength is 1.05 m.
- what will be the effect when the speed of cog wheel is doubled?
What is echolocation? How do animals make use of this phenomenon?
Sound can travel through solids, gases, liquids, and even vacuum.
Name three animals, which can hear ultrasonic vibrations.
The speed of sound in air at 0°C is ______.
