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Physics GK · Q126

Heat and Thermodynamics

Competitive Exams · Physics GK · question 126

Q126

Which one of the following statement is correct?

A.
Any energy transfer that does not involve temperature difference in some way is not heat
Answer
B.
Any energy transfer always requires a temperature difference
C.
On heating, the length and volume of the object remain exactly the same
D.
Whenever there is a temperature difference, heat is the only way of energy transfer

Answer: Option A

Solution

Answer: Option A
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