1
AIPMT 2015
+4
-1
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas ?
A
Isochoric
B
Isothermal
C
D
Isobaric
2
AIPMT 2015
+4
-1
The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20oC, the temperature of the surroundings to which it rejects heat is
A
11oC
B
21oC
C
31oC
D
41oC
3
AIPMT 2015
+4
-1
Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. Under such conditions, the density of A is found to be 1.5 times the density of B. The ratio of molecular weight of A and B is
A
2
B
$${1 \over 2}$$
C
$${2 \over 3}$$
D
$${3 \over 4}$$
4
AIPMT 2015 Cancelled Paper
+4
-1
A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
A
90 J
B
1 J
C
100 J
D
99 J
EXAM MAP
Medical
NEET