Back to THERMODYNAMICS
NEET UG PHYSICS MCQ: THERMODYNAMICS
1
Medium
1 of 1
Application
+4 | -1
The specific heat of a metal at low temperature varies according to where is absolute temperature. The heat energy needed to raise the temperature of unit mass of metal from to is
View answer and explanation
Correct option: A
13
Option A (13) is correct because it is the result of integrating the specific heat function over the given temperature range.
More Questions from THERMODYNAMICS
Practice All Chapter MCQs →
The work done during expansion of a gas is independent of pressure if the expansion takes place
When heat is added to a system, which of the following is not possible?
The relation for an adiabatic expansion is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
