A cube, sphere & a thin circular plate (all having same mass and made – McqOptions

MCQOPTIONS

1.	A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300 C and allowed to cool in natural air. Which one will cool the slowest ?
A.	Cube
B.	Plate
C.	Sphere
D.	All will cool at the same rate
Answer» D. All will cool at the same rate

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