A sphere, a cube and a thin circular plate, all of same material and same mass are initially hea...

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A sphere, a cube and a thin circular plate, all of same material and same mass are initially heated to same high temperature
[NCERT Exemplar]
(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
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