Q 1: Difference of two solid concentric spheres is called a ______. shell spherical shell

Q 2: Sphere has symmetry about the _____. radius diameter centre

Q 3: The distance of a point on the sphere from its centre is called the _____. radius of the sphere centre of sphere diameter of the sphere

Q 4: A geometrical figure formed by a set of points in space equidistant from a fixed point is space is called ________. hemisphere sphere centre of sphere

Q 5: Region is space formed by a sphere is called _____. hemisphere solid sphere

Q 6: A line segment through the centre of the sphere and with end points on the sphere is called the ______. radius of the sphere diameter of the sphere

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