Intensity of sound has - (1) an object existence (2) a subject existence (3) no existence (4) both subjective and objective existence

Intensity of sound has - (1) an object existence (2) a subject existence (3) no existence (4) both subjective and objective existence
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(1) an object existence Explanation: Intensity of sound has an object existence. Sound intensity is defined as the sound power per unit area.
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