Physics, asked by Adhithyajaguar, 10 months ago

what is steradian(sr)???????????????

Answers

Answered by nam84

Explanation:

the SI unit of solid angle, equal to the angle at the centre of a sphere subtended by a part of the surface equal in area to the square of the radius.

Answered by rakhithakur

steradian is a unit of solid angle
it is equal to
$4\pi$

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