Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 General Science Physics Heat and Transfer
Which of the following is true about the Latent heat?
a. It is an amount of heat absorbed by a unit mass of the substance to change its state.
b. Temperature changes due to absorption of heat.
c. S.I. unit of Latent heat is Joules per kilogram.
d. Latent heat is used up in overcoming the force of attraction between the molecules of the substance.1
a and b
2
a, b and c
3
a, c and d
4
All of the above
5
Answer not known