Properties Of Solids And Liquids Question 422

Question: Consider two identical iron spheres, one which lie on a thermally insulating plate, while the other hangs from an insulating thread. Equal amount of heat is supplied to the two spheres

Options:

A) temperature of A will be greater than B

B) temperature of B will be greater than A

C) their temperature will be equal

D) can’t be predicted

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Temperature of B will be higher because, due to expansion centre of mass B will come down same heat is supplied but in B, Potential energy is decreased therefore internal energy gain will be more.



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