A sphere, a cube and a disc all of the same material, quality and volume are heated to 900 K and left in air. Which of these have the lowest rate of cooling

All will have the same rate of cooling

A sphere, a cube and a disc all of the same material, quality and volu

1.	A sphere, a cube and a disc all of the same material, quality and volume are heated to 900 K and left in air. Which of these have the lowest rate of cooling
A.	Cube
B.	Disc
C.	Sphere
D.	All will have the same rate of cooling
Answer» D. All will have the same rate of cooling

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A sphere, a cube and a disc all of the same material, quality and volume are heated to 900 K and left in air. Which of these have the lowest rate of cooling

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