Statement(A) : Steridian is the solid angle subtended at the centre of the sphere by its surface, the area of which is equal to square of the radius      Statement(B) : The solid angle around a point is 4π steradian

Statement(A) : Steridian is the solid angle subtended at the centre of the sphere by its surface, the area of which is equal to square of the radius

      Statement(B) : The solid angle around a point is 4π steradian

  1. A

    Both A and B are true

  2. B

    Both A and B are false

  3. C

    A is true, B is false

  4. D

    A is false, B is true

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