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

Q 2: A line segment through the centre of the sphere and with end points on the sphere is called the ______. diameter of the sphere radius of the sphere

Q 3: A plane through the centre of a sphere divides it into two equal parts, each of which is called a _______ hemisphere solid sphere

Q 4: Region is space formed by a sphere is called _____. solid sphere hemisphere

Q 5: A fixed point from which every point on the sphere is at the same distance is called _____. radius of the sphere centre of sphere diameter of the sphere

Q 6: Sphere has symmetry about the _____. radius centre diameter

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