EVERYDAY SCIENCE

Detailed explanation-1: -The solar constant is the energy which reaches the earth upper surface per second on 1 m2. It is usually taken to be 1, 388 watts per meter square.

Detailed explanation-2: -The solar irradiance intercepted by the earth at the top of the atmosphere, the mean solar constant, is quite stable with an observed mean value of 1365 W/m2 ± 0.3%.

Detailed explanation-3: -The solar constant is the incident ray of solar energy per unit area per second on the earth surface.

Detailed explanation-4: -A solar constant is a measurement of the solar electromagnetic radiation available in a meter squared at Earth’s distance from the sun. The solar constant is used to quantify the rate at which energy is received upon a unit surface such as a solar panel.

Detailed explanation-5: -The solar constant is defined as the measurement of total radiation received from the sun per unit time and unit area. Thus, the value of the solar constant is ⁻ ² 4 k W m ⁻ ² .