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For a perfectly crystalline solid C(p.m....

For a perfectly crystalline solid `C_(p.m.)=aT^(3)`, where ais constant. If `C_(p.m.)` is 0.42.J//K-"mol" at 10K, molar entropy at 10K is:

A

`0.42J//K-"mol"`

B

`0.14J//K-"mol"`

C

`4.2 J//K-"mol"`

D

zero

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The correct Answer is:
B
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