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