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The pressure amplitude in a sound wave from a radio receiver is 2.0 x 10–2 N/m2 and the intensity at a point is 5.0 x 10–7 W/m2. If by turning the ‘volume’ knob the pressure amplitude is increased to 2.5 x 10–2 N/m2, evaluate the intensity.

The pressure amplitude in a sound wave from a radio receiver is 2.0 x 10–2 N/m2 and the intensity at
a point is 5.0 x 10–7 W/m2. If by turning the ‘volume’ knob the pressure amplitude is increased to
2.5 x 10–2 N/m2, evaluate the intensity.

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
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