"If the radii of two spheres are in the ratio 1 : 4, then their surface areas are in the ratio(a) 1
Channel: Doubtnut
Date: 2020-04-05

"If the radii
 of two spheres are in the ratio 1 : 4, then their surface areas are in the
 ratio
(a) 1 : 2 (b) 1 : 4 (c) 1 : 8 (d) 1 : 16"