Physics, asked by karthikeyan30, 1 year ago

define solid angle and its unit​

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Answered by Crystall91
4

Solid angle is the ratio of the intercepted area of dA of the spherical surface described about the Apex O as the centre, to the square of it's radius r.

It's Unit is Steradian (sr)

It is a dimensionless quantity.

Cheers!

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Answered by tarsemsingh18
2

PLZ MARK MY ANSWER AS A BRAINIEST

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