BHU-PET SERIES Physics
Thermodynamics
10 previous year questions.
Volume: 10 Ques
Yield: Medium
High-Yield Trend
10
2019 Chapter Questions 10 MCQs
01
PYQ 2019
medium
physics ID: bhu-pet-
States of thermodynamic equilibrium can be described in terms of:
1
Macroscopic thermodynamic coordinates
2
Macroscopic thermodynamic coordinates that involve time also
3
Microscopic coordinates
4
Microscopic coordinates that involve time also
02
PYQ 2019
medium
physics ID: bhu-pet-
At for water, because:
1
2
3
4
None of the three
03
PYQ 2019
medium
physics ID: bhu-pet-
During a quasi-static process:
1
The system is not in thermodynamic equilibrium
2
The system is at all times infinitesimally near a state of thermodynamic equilibrium
3
The system is far away from a state of thermodynamic equilibrium
4
None of the three
04
PYQ 2019
medium
physics ID: bhu-pet-
One liter atmosphere equals:
1
101 Joule
2
8.31 Joule
3
0.082 Joule
4
Joule
05
PYQ 2019
medium
physics ID: bhu-pet-
Mathematical formulation of the first law contains the idea of:
1
The existence of an internal energy function
2
The principle of the conservation of energy
3
The definition of heat as energy in transit by virtue of a temperature difference
4
All of the three
06
PYQ 2019
medium
physics ID: bhu-pet-
If a black body radiation enclosure expands, so that its volume becomes 64 times, the temperature of the enclosure becomes:
1
One fourth
2
Four times
3
16 times
4
8 times
07
PYQ 2019
medium
physics ID: bhu-pet-
In the inversion curve for a gas, in the region of cooling:
1
Joule-Kelvin coefficient is negative
2
Joule-Kelvin coefficient is positive
3
Joule-Kelvin coefficient is zero
4
None of the three
08
PYQ 2019
medium
physics ID: bhu-pet-
The ratio of isobaric volume expansivity and isothermal compressibility is given as:
1
2
3
4
09
PYQ 2019
medium
physics ID: bhu-pet-
At constant temperature, the internal energy of a Van der Waals gas:
1
Remains constant
2
Is proportional to volume of the gas
3
Is inversely proportional to the volume of the gas
4
Is independent of volume of the gas
10
PYQ 2019
medium
physics ID: bhu-pet-
Specific heat of saturated steam is:
1
Positive
2
Negative
3
Zero
4
1 cal/gm-degree
About Thermodynamics - BHU-PET
Thermodynamics is a vital chapter for BHU-PET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Thermodynamics PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Thermodynamics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.