Explain Plane Angle

Plane Angle is the angle between two intersecting straight lines measured in the plane of the same lines. It is a dimensionless physical quantity measured in either Degree or Radian.

Solid Angle is a three dimensional angle subtended by any object at a certain point in 3D space. It is the ratio of area and the square of distance. Hence, it is a dimensionless physical quantity which is measured in SI unit Steradian.

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Updated on: 10-Oct-2022

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