A sphere ,a cubeand a thin circular plate,all made of the same meteriel and having the same mass are initially heated to a temperature of 3000°C.Which of these will cool fastest

A sphere ,a cubeand a thin circular plate,all made of the same meterie

1.	A sphere ,a cubeand a thin circular plate,all made of the same meteriel and having the same mass are initially heated to a temperature of 3000°C.Which of these will cool fastest
Answer» sphere cube plate All will TAKE same time Answer :C