1
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
2
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
3
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
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in radius is
A
$${B \over {3p}}$$
B
$${{3p} \over B}$$
C
$${p \over {3B}}$$
D
$${p \over B}$$