Energy Transfer Calculation of a 2.0 µW/m² Sound Wave Through a 10 cm² Surface Over 1 Hour

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Question

A sound wave of intensity 2.0 µW/m² passes normally through a surface area of 10 cm². The amount of energy passing through the area in 1 hour is:

Options

  • 7.2 µJ

  • 72 µJ

  • 0.072 J

  • 7.2 J

  • 72 kJ

SoundWavesEnergyTransferPhysics

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