C-13-Q112mediumsingle_mcq
The solid sphere obtained from the iron of the hollow sphere (outer diameter 15 cm, thickness 2 cm) has surface area approximately which of the following?
The solid sphere obtained from the iron of the hollow sphere (outer diameter 15 cm, thickness 2 cm) has surface area approximately which of the following?
- a320.50 sq cm
- b415.30 sq cm
- c505.97 sq cm
- d706.86 sq cm