UPSC NDA I 2018 General Ability Solved Paper

Question : 51 of 150

Marks: +1, -0

Which one of the following statements is correct?

[NDA I 2018]

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

Go to Question:

Prev Question

Next Question