AMUEEE SERIES Physics
Thermodynamics
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
2
2016 1
2014 3
2013 1
2010 Chapter Questions 7 MCQs
01
PYQ 2010
medium
physics ID: amueee-2
Choose the incorrect statement out of the following.
1
Every measurement by any measuring instrument has some error
2
Every calculated physical quantity that is based on measured values has some error
3
A measurement can have more accuracy but less precision and vice-versa
4
The percentage error is different from relative error
02
PYQ 2013
medium
physics ID: amueee-2
Starting with the same initial conditions, an ideal gas expands from volume to in three different ways. The work done by the gas is if the process purely isothermal, if purely isobaric and if purely adiabatic. Then
1
2
3
4
03
PYQ 2013
medium
physics ID: amueee-2
1 mole of an ideal gas expands isothermally so that its pressure falls Pa to Pa. The change in entropy of the gas is equal to
1
0
2
0.693 J/K
3
5.76 J/K
4
None of these
04
PYQ 2013
medium
physics ID: amueee-2
A thermodynamic state of a given sample of an ideal gas is completely described, if its
1
pressure, volume and internal energy are known
2
pressure, volume, temperature and internal energy are known
3
pressure, volume and temperature are known
4
pressure and volume are known
05
PYQ 2014
medium
physics ID: amueee-2
In a container, of aluminum (specific heat ) at is mixed with of water at , with the mixture thermally isolated. Find the entropy change of the aluminumwater system.
1
+2.8 J/K
2
-22.1 J/K
3
+24.9 J/K
4
None of the above
06
PYQ 2016
medium
physics ID: amueee-2
An ideal gas at pressure is adiabatically compressed so that its density becomes times the initial value. The final pressure of the gas will be
1
2
3
4
07
PYQ 2016
medium
physics ID: amueee-2
A quantity of a substance in a closed system is made to undergo a reversible process from an initial volume of and initial pressure to a final volume of . If the pressure is proportional to the square of the volume (i.e. ), the work done by the substance will be
1
2
3
4