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.

Options :

  1. 400 × 10⁻² steradian

  2. 4 × 10⁻² steradian

  3. 14 × 10⁻² steradian

  4. 0.4 × 10⁻² steradian

Show Answer

Answer :

4 × 10⁻² steradian

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