Tardigrade
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Tardigrade
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Physics
A sphere, a cube and a thin circular plate all of same material and same mass initially heated to same high temperature are allowed to cool down under similar conditions. Then the
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Q. A sphere, a cube and a thin circular plate all of same material and same mass initially heated to same high temperature are allowed to cool down under similar conditions. Then the
KCET
KCET 2020
Thermal Properties of Matter
A
plate will cool the fastest and cube the slowest
21%
B
sphere will cool the fastest and cube the slowest
24%
C
plate will cool the fastest and sphere the slowest
50%
D
cube will cool the fastest and plate the slowest
4%
Solution:
Surface area is more for plate and less for sphere. Hence plate will cool the fastest and sphere the slowest.