Question

Which of the following is true for the solid angle?

Options :

  1. δω=δAcosθ/r²

  2. δω=δAcos²θ/r²

  3. δω=δAcosθ/r³

  4. δω=δAcos²θ/r³

Show Answer

Answer :

δω=δAcosθ/r²

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