Question

what do you mean by solid angle ?​

Answer 1

Answer:

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Explanation:

In general, solid angle is the 3-dimensional angle subtended by any object in 3-dimensional space. ... 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.

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