The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as

The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Correct Answer Intensity of radiation

The intensity of radiation is defined as the rate of emission of radiation in a given direction from a surface per unit solid angle and per unit projected area of a radiating surface on a plane perpendicular to the direction of radiation.

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A train is moving at the3 rate 8 mi/h along a piece of circular track of radius 2500 ft. Through what angle does it turn in 1 min?