"A   cylindrical tube, open at both ends, is made of metal. The internal diameter
Channel: Doubtnut
Date: 2020-07-05

"A
 
  cylindrical tube, open at both ends, is made of metal. The internal diameter
 
  of the tube is 10.4 cm and its length is 25cm. The thickness of the metal is
 
  8mm everywhere. Calculate the volume of the metal."