Physics, asked by mahisingh78, 8 months ago

define radian and steradian.​

Answers

Answered by Anonymous
4

Answer:

steradian or square radian is the SI unit of solid angle. It is used in three-dimensional geometry, and is analogous to the radian, which quantifies planar angles.

1 sr in: is equal to

SI base units: 1 m2/m2

Unit system: SI derived unit

Unit of: Solid angle

Symbol: sr

Answered by krimusa7524
9

radian is defined as the angle subtended at the centre of the circle which is equal to the arc to the radius of the circle.

steradian can be defined as the angle subtended at the centre of the sphere is equal to the area to the square of the radius of the sphere

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