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A sphere a cube and thin circular plate,...

A sphere a cube and thin circular plate, all made of the same material and having the same mass are initially heated to a temperature of `1000^(@)C`. Which one of these will cool first?

A

Plate will cool fastest and cube the slowest

B

Sphere will cool fastest and cube the slowest

C

Plate will cool fastest and sphere the slowest

D

Cube will cool fastest and plate the slowest .

Text Solution

Verified by Experts

The correct Answer is:
C
As three objectes have same volume as per given case, the object having more surface area will radiate nore heat .
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Knowledge Check

  • A sphere, a cube and a thin circular plate all made of the same material and having the same mass are initially heated to a temperature of 300^(@)C . Which one of these cools faster ?

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