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Higher Study | Physics | Waves

What happens if the reverberation time is too large?
In which medium sound travels faster?
Which of the following represents the correct set of modulation classification?
Ultrasonic waves are used for stirring liquid solutions because they
Who invented Television?
Which of the following statements is not correct regarding the travel of sound waves?
Sound above what level (in decibel) is considered hazardous noise pollution?
Resonance is an example of
Sound wave in air is
To hear an echo, the minimum distance requires between the source and the reflecting surface is
There are three materials A, B & C. The densities of these are- σA > σB > σC   The order of speed of sound is-
An average human being can hear sound of frequency upto:
The velocity of sound will be highest in-
The general range of audible frequencies for human is-
A wave is first reflected by a boundary P and then by a boundary Q without dissipating energy. If the boundary P is rigid and the boundary Q is non-rigid, then find the fraction of the amplitude of the reflected wave by boundary P to the reflected wave by boundary Q.
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