Question

define intensity and what is the si unit of intensity

Answer 1

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$<u><b><i>In physics, intensity is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy. In the SI system, it has units watts per square metre$

Answer 2

In physics, intensity is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy. In the SI system, it has units watts per square metre (W/m2). ... Intensity can be applied to other circumstances where energy is transferred.