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संबंधित प्रश्न
Why are sound waves called mechanical waves?
Which wave property determines (a) loudness, (b) pitch?
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
What is loudness of sound? What factors does it depend on?
Are sound waves longitudinal or transverse?
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
How do the following factor affect the speed of sound in air?
Temperature of air
Number of vibrations produced in one second is ______.
