Properties Of Solids And Liquids Question 571
Question: A metallic ball and highly stretched spring are made of the same material and have the same mass. They are heated so that they melt, the latent heat required
Options:
A) Are the same for both
B) Is greater for the ball
C) Is greater for the spring
D) For the two may or may not be the same depending upon the metal
Show Answer
Answer:
Correct Answer: A
Solution:
Latent heat is independent of configuration. Ordered energy spent in stretching the spring will not contribute to heat which is disordered kinetic energy of molecules of substance.
