C-13-Q111mediumsingle_mcq
A hollow iron sphere has outer radius 7.5 cm and thickness 2 cm. A solid sphere is made from its iron. The radius of the solid sphere is approximately which of the following?
A hollow iron sphere has outer radius 7.5 cm and thickness 2 cm. A solid sphere is made from its iron. The radius of the solid sphere is approximately which of the following?
- a5.50 cm
- b6.35 cm
- c7.50 cm
- d9.00 cm