Test Academy | Calculate the solid angle subtended by the periphery of an area of 1cm² at a point situated symmetrically at a distance of 5 cm from the area. 400 × 10⁻² steradian , 4 × 10⁻² steradian , 14 × 10⁻² steradian , 0.4 × 10⁻² steradian

Question

Calculate the solid angle subtended by the periphery of an area of 1cm² at a point situated symmetrically at a distance of 5 cm from the area.

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