1. The rate at which energy flows through a unit area perpendicular to the direction of wave motion.
1. The rate at which energy flows through a unit area perpendicular to the direction of wave motion.
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Transcribed Image Text:1. The rate at which energy flows through a
unit area perpendicular to the direction of
wave motion.
2. Human hearing depends on both the
and the intensity of sound waves.
3. The intensity of sound is inversely
proportional to the square of the distance from
the source.
4. It is the softest sounds that can be heard by
the average human ear.
5. It is determined by relating the intensity of a
sound wave to the intensity of the threshold of
hearing.
6. A condition that exists when the frequency
of a force applied to a system matches the
natural frequency of vibration of the system.
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