What is the intensity of sound wave?
Amount of energy per unit area
Amount of energy per unit time
Amount of energy per unit area per unit time
Amount of force per unit time
Intensity of a wave is defined as the power per unit area. It determines the loudness of a wave that we feel.
The amount of electrical energy flowing in a circuit per unit time denotes the ___________ of the appliance.
Amount of solar energy received on the earth’s surface per unit area per unit time is defined a solar constant. write its dimensions
The amount of energy received per unit area from a source of light is called________ of light.