Q 1: 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 2: Difference of two solid concentric spheres is called a ______. shell spherical shell

Q 3: Sphere has symmetry about the _____. radius centre diameter

Q 4: The distance of a point on the sphere from its centre is called the _____. centre of sphere diameter of the sphere radius of the sphere

Q 5: 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 6: A plane through the centre of a sphere divides it into two equal parts, each of which is called a _______ solid sphere hemisphere

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