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Compare the density of the medium at the compression and at the rarefaction during the propagation of sound in the medium.
What is the range of hearing for children under the age of five?
Which of the following frequencies is beyond the human hearing range?
Why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard?
Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by sound. Mark the position of compression and rarefaction on this curve. Also define wavelengths and time period using this curve.
Assertion (A): Infrasonic waves are longitudinal waves of frequency greater than 20,000 Hz. Reason (R): The maximum frequency of audible sound waves is 20,000 Hz.
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