"If the  height of a cylinder is doubled, by what number must the radius of the base  be multiplied
Channel: Doubtnut
Date: 05/07/2020

"If the
  height of a cylinder is doubled, by what number must the radius of the base
  be multiplied so that the resulting cylinder has the same volume as the
  original cylinder?
 (a) 4 (b) `1/(sqrt(2))`
  (c)
  2 (d) `1/2`"