1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
The volume (V) of a monatomic gas varies with its temperature (T), as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state A to state B, is NEET 2018 Physics - Heat and Thermodynamics Question 30 English
A
$${2 \over 5}$$
B
$${2 \over 3}$$
C
$${1 \over 3}$$
D
$${2 \over 7}$$
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Thermodynamic processes are indicated in the following diagram.

NEET 2017 Physics - Heat and Thermodynamics Question 85 English
Match the following

Column-1 Column-2
P. Process I A. Adiabatic
Q. Process II B. Isobaric
R. Process III C. Isochoric
S. Process IV D. Isothermal
A
P $$ \to $$ C,  Q $$ \to $$ A,  R $$ \to $$ D,   S $$ \to $$ B
B
P $$ \to $$ C,  Q $$ \to $$ D,  R $$ \to $$ B,   S $$ \to $$ A
C
P $$ \to $$ D,  Q $$ \to $$ B,  R $$ \to $$ A,   S $$ \to $$ C
D
P $$ \to $$ A,  Q $$ \to $$ C,  R $$ \to $$ D,   S $$ \to $$ B
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is
A
15 RT
B
9 RT
C
11 RT
D
4 RT
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A carnot engine having an efficiency of $${1 \over {10}}$$ 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
99 J
C
100 J
D
1 J

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