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AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
If cp and cv denote the specific heats (per unit mass of an ideal gas of molecular weight M, then
A
cp $$-$$ cv = R/M2
B
cp $$-$$ cv = R
C
cp $$-$$ cv = R/M
D
cp $$-$$ cv = MR
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
If $$\Delta $$U and $$\Delta $$W represent the increase in internal energy and work done by the system respectively in a thermodynamical process, which of the following is true ?
A
$$\Delta $$U = $$-$$$$\Delta $$W, in an adiabtic process
B
$$\Delta $$U = $$\Delta $$W, in an isothermal process
C
$$\Delta $$U = $$\Delta $$W, in an adiabatic process
D
$$\Delta $$U = $$-$$ $$\Delta $$W, in an isothermal process
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is
A
6400 J
B
5400 J
C
7900 J
D
8900 J
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
In thermodynamic processes which of the following statements is not true ?
A
In an isochoric process pressure remains constant.
B
In an isothermal process the temperature remains constant.
C
In an adiabatic process PV$$\gamma $$ = constant.
D
In an adiabatic process the system is insulated from the surroundings.
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