Question

what do you mean by solid angle?​

Answer 1

Answer:

three-dimensional analogue of an angle, such as that subtended by a cone or formed by planes meeting at a point. It is measured in steradians.

Explanation:

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Answer 2

Answer:

The formula of the solid angle(Ω) is, Ω=Area of part of the spherical surface subtended divided by the radius of the area of the part of the spherical surface subtended. That is, Ω=Ar2. The area is 4πr2 ∴Ω=4πr2r2=4πsteradians.

Explanation:

a three-dimensional analogue of an angle, such as that subtended by a cone or formed by planes meeting at a point. It is measured in steradians.