1
JEE Advanced 2017 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-0.75
An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding $$P-V$$ diagram in column 3 of the table. Consider only the path from state $$1$$ to state $$2.$$ $$W$$ denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic processes. Here $$Y$$ is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas is $$n.$$
![JEE Advanced 2017 Paper 1 Offline Physics - Heat and Thermodynamics Question 47 English Comprehension 1](https://imagex.cdn.examgoal.net/vriKKpnb4rAYjXLw7/JhQPYSzSUWzKRqGhpMixYO9GCykuq/dWO7bMEfFq2AeGDqdaZ3PF/image.png)
![JEE Advanced 2017 Paper 1 Offline Physics - Heat and Thermodynamics Question 47 English Comprehension 2](https://imagex.cdn.examgoal.net/v6O9Sw5XvbpzcKjSo/GvfqvbviLjOT7K549v7FjTO118r6w/K97HwnS0f37JamhD1qKdAP/image.png)
Which one of the following options is the correct combination?
2
JEE Advanced 2017 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-0.75
An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding $$P-V$$ diagram in column 3 of the table. Consider only the path from state $$1$$ to state $$2.$$ $$W$$ denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic processes. Here $$Y$$ is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas is $$n.$$
![JEE Advanced 2017 Paper 1 Offline Physics - Heat and Thermodynamics Question 46 English Comprehension 1](https://imagex.cdn.examgoal.net/vriKKpnb4rAYjXLw7/JhQPYSzSUWzKRqGhpMixYO9GCykuq/dWO7bMEfFq2AeGDqdaZ3PF/image.png)
![JEE Advanced 2017 Paper 1 Offline Physics - Heat and Thermodynamics Question 46 English Comprehension 2](https://imagex.cdn.examgoal.net/v6O9Sw5XvbpzcKjSo/GvfqvbviLjOT7K549v7FjTO118r6w/K97HwnS0f37JamhD1qKdAP/image.png)
Which one of the following options correctly represents a thermodynamic process that is used as a correction in the determination of the speed of sound in an ideal gas?
3
JEE Advanced 2016 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
The ends Q and R of two thin wires, PQ and RS, are soldered (joined) together. Initially each of the wires
has a length of 1 m at 10oC. Now the end P is maintained at 10oC, while the end S is heated and
maintained at 400oC. The system is thermally insulated from its surroundings. If the thermal conductivity
of wire PQ is twice that of the wire RS and the coefficient of linear thermal expansion of PQ is 1.2 $$ \times $$ 10-5 K-1 , the change in length of the wire PQ is
4
JEE Advanced 2016 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
A gas is enclosed in a cylinder with a movable frictionless piston. Its initial thermodynamic state at
pressure Pi = 105 Pa and volume Vi = 10-3 m3 changes to a final state at Pf = $$\left( {{1 \over {32}}} \right) \times {10^5}\,Pa$$ and
Vf = 8 $$ \times $$ 10-3 m3 in an adiabatic quasi-static process, such that P3V5 = constant. Consider another
thermodynamic process that brings the system from the same initial state to the same final state in two
steps: an isobaric expansion at Pi followed by an isochoric (isovolumetric) process at volume Vf. The amount of heat supplied to the system in the two-step process is approximately
Questions Asked from Heat and Thermodynamics (MCQ (Single Correct Answer))
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