whats the difference between an angle and a solid angle?
Hello,
The differences between an angle and solid angle are:
Angle | Solid angle |
1. Angle is defined as the amount of rotation about the point of intersection of two lines that is required to make them overlap on one another. | 1. Solid angle is a cone subtended by a surface on the center of the sphere of which the surface is a part. It is defined by the ratio of the area of the surface and square of radius. |
2. It is measured in radian. | 2. It is measured in steradian. |