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If thhe coffe in a thormos flask is shak...

If thhe coffe in a thormos flask is shaked vigorously. Then,

A

Temperature increases

B

Temperature decreases

C

No change in temperature

D

Can not say

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaQ=0`
`therefore DeltaU=-dW`
Work done on the coffee. The temperature increases.
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