A hollow cylindrical pipe has outer radius 5 cm, inner radius 3 cm and length 10 cm. Find the volume of material used, in units of π cm³.
Physics · Mathematical tools and vector · Geometry & Mensuration
NEET JEE Mains

Question

A hollow cylindrical pipe has outer radius 5 cm, inner radius 3 cm and length 10 cm. Find the volume of material used, in units of π cm³.

G1 Physics · Accepted Answer

Material volume=π(R²−r²)h=π(25−9)×10=160π cm³.