A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere of diameter
(A) r cm (B) 2r cm (C) h cm (D) 2h cm
Answer (B) 2r cm
Solution
Here we found that the right circular cylinder of radius r cm and height h cm (h > 2r) can enclosed a sphere of radius upto r cm.
The required sphere is of diameter 2r.