Total surface area of a hemisphere with radius ′r′ units, will be equal to
The total surface area of a hemisphere of radius r is
The volume of atoms (radius r) present in fcc unit cell of metal is:
Question 1 If the radius of a sphere is 2r, then its volume will be: A) 43πr3 B) 4πr3 C) 83πr3 D) 323πr3