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Solar radiation received at any point of earth is called ______________(a) Insolation(b) Beam Radiation(c) Diffuse Radiation(d) Infrared raysThis question was posed to me in an interview for job.The doubt is from Solar Radiation in section Solar Energy of Energy Engineering

Answer»

Correct ANSWER is (a) INSOLATION

The best explanation: Insolation is the total solar radiation received at any point on any point on the earth’s surface. In other words insolation is the SUM of the direct and diffuse radiation. More specifically insolation is defined as the total solar radiation ENERGY received on a horizontal surface of unit area on the ground in unit time.



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