Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Classical and Quantum Statistics - Thermodynamics and Statistical Mechanics - Physics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Classical and Quantum Statistics. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Physics (PH) 2026 | 2026 | 6 | View paper |
| Physics (PH) 2025 | 2025 | 2 | View paper |
| Physics (PH) 2024 | 2024 | 4 | View paper |
| Physics (PH) 2023 | 2023 | 3 | View paper |
| Physics (PH) 2022 | 2022 | 1 | View paper |
| Physics (PH) 2021 | 2021 | 3 | View paper |
| Physics (PH) 2020 | 2020 | 4 | View paper |
| Physics (PH) 2019 | 2019 | 3 | View paper |
| Physics (PH) 2018 | 2018 | 4 | View paper |
| Physics (PH) 2017 | 2017 | 3 | View paper |
| Physics (PH) 2016 | 2016 | 3 | View paper |
| Physics (PH) 2015 | 2015 | 4 | View paper |
| Physics (PH) 2014 | 2014 | 3 | View paper |
| Physics (PH) 2013 | 2013 | 5 | View paper |
| Physics (PH) 2012 | 2012 | 5 | View paper |
| Physics (PH) 2011 | 2011 | 4 | View paper |
| Physics (PH) 2010 | 2010 | 4 | View paper |
| Physics (PH) 2009 | 2009 | 3 | View paper |
| Physics (PH) 2008 | 2008 | 5 | View paper |
| Physics (PH) 2007 | 2007 | 10 | View paper |
Practice every matching question in batches of 20, with every available option.
A system of N non-interacting classical point particles is constrained to move on the two-dimensional surface of a sphere. The internal energy of the system is
Showing 20 of 74 questions