A) A hot hollow sphere in vacuum cools by convection B) A hot solid sphere in vacuum cools by radiation

A) A hot hollow sphere in vacuum cools by convection B) A hot solid s

1.	A) A hot hollow sphere in vacuum cools by convection B) A hot solid sphere in vacuum cools by radiation
Answer» A is FALSE, B is TRUE A is true, B is false Both A & Bare true Both A & Bare false Answer :A