Question

differentiate between loudness and intensity of sound write any two points of difference

Answer 1

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Answer 2

loudness - Loudness refers to how loud or soft a sound seems to a listener. The loudness of sound is determined, in turn, by the intensity, or amount of energy, in sound waves.
The unit of intensity is the decibel (dB).

intensity of sound - Sound intensity also known as acoustic intensity is defined as the power carried by sound waves per unit area in a direction perpendicular to that area.
The SI unit of intensity, which includes sound intensity, is the watt per square meter (W/m2).