Question

Define Unit of Solid Angle i.e. Steradian

Answer 1

Answer:

Explanation:

A unitless measure of solid angles. A solid angle projecting from the center of a sphere and cutting its surface has a measure ofsr 2 steradians, where s is the surface area of the sphere cut out by the solid angle, and r is the radius of the sphere.

Hope it helps

please mark as the brainliest