
CSIR NET December 2025 Physical Science Exam Analysis: This analysis is provided to help candidates evaluate and compare their performance in the examination. It offers useful insights into the section-wise difficulty level, overall paper pattern, and expected good attempts. Overall, the CSIR NET December 2025 Physical Science paper was moderate to difficult. As per the Students' reviews, Part C was calculative and conceptual and can be considered as moderate. Part B was relatively easy but covered a wide variety of topics, while Part A ranged from moderate to difficult, with a strong focus on conceptual aptitude.
CSIR NET 2025 aspirants can review the Physical Science exam analysis to understand the difficulty level, good attempts, and expected cut-off. This helps candidates assess their performance and chances of qualifying for JRF or Lectureship. Below is a quick overview table highlighting the key insights from the CSIR NET 2025 Physical Science exam analysis.
| CSIR NET December 2025 Physical Science Exam Analysis 2025 Highlights | |
| Particulars | Details |
| Exam Name | CSIR NET December 2025 |
| Conducting Body | National Testing Agency (NTA) |
| Post Category | CSIR NET Physical Science Exam Analysis 2025 |
| Exam Level | National |
| Exam Date | 18 December 2025 |
| Mode of Exam | Online (CBT) |
| Exam Duration | 3 Hours |
| Shift | Shift 2 (3:00 PM to 6:00 PM) |
| Total Questions Attemptable | 55-60 |
| Total Marks | 200 |
| Medium of Exam | English and Hindi |
| Official Website | csirnet.nta.ac.in |
| Difficulty Level | Moderate to Difficult |
The CSIR NET Physical Science 2025 topic-wise questions cover key concepts across all major areas of the syllabus. They provide a section-wise overview to help aspirants understand the important topics and prepare effectively.
| CSIR NET Physical Science 2025- Topic-wise Questions | |
|
Section |
Topics Covered |
|
Thermodynamics |
• Postulates (probability) • Adiabatic process • Pressure distribution • Kinetic Theory of Gases (⟨v²⟩, ⟨vₓ²⟩) |
|
Electronics |
• Op-Amp • Output (working) • K-map • Σ (Sigma) • Error Analysis |
|
Nuclear Physics |
• Stability of particle • Baryon decuplet • Cross section • Nuclear reaction: p + n → Δ⁰ + n → p + π |
|
Statistical & Solid State Physics (SSP) |
• Specific Heat (Cᵥ) |
|
Atomic Physics |
• (Heading shown, no specific subtopic written) |
|
Mathematical Physics (MP) |
• Derivative of Hermite generator • Poisson Brackets {A, B} = 0 • {A, BC} = ? • Residue Case • Cauchy’s Theorem |
|
Quantum Mechanics (QM) |
• L × L • Perturbation Theory • Harmonic Oscillator • ⟨LₓLᵧ⟩ • SHM |
|
Classical Mechanics |
• Hamiltonian • dL/dt • Spherical Coordinates |
|
Electromagnetic Theory (EMT) |
• Charge Distribution |
The CSIR NET Physical Science 2025 section-wise difficulty gives an overview of the challenge level across different parts of the exam. It helps aspirants understand which sections may require more focus and practice for effective preparation.
| CSIR NET Physical Science 2025 Difficulty Level | |
| Part | Difficulty Level |
| Part A | Difficult |
| Part B | Easy |
| Part C | Moderate |
| Overall Difficulty | Moderate To Difficult |
Based on feedback and expert analysis, the table below shows an approximate range of good attempts for CSIR NET Physical Science 2025. Attempting questions within these ranges can help improve chances of qualifying for JRF or Lectureship.
| CSIR NET Physical Science 2025 Good Attempts | |
| Section | Good Attempts (Approximate) |
| Part A | TBA |
| Part B | TBA |
| Part C | TBA |
| Total | TBA |
Part A of the CSIR NET Physical Science 2025 exam assessed candidates on general aptitude, logical reasoning, numerical ability, and basic mathematics. The questions were conceptual yet manageable, allowing candidates to attempt them confidently within the given time.
| CSIR NET Physical Science Exam Analysis 2025 - Part A | ||
| Topics | Good Attempts | Difficulty Level |
| Percentage | TBA | TBA |
| Probability | TBA | TBA |
| Quadratic Equations | TBA | TBA |
| Series Formation | TBA | TBA |
| Puzzles | TBA | TBA |
| Data Interpretation | TBA | TBA |
| Partnership | TBA | TBA |
| Logarithms | TBA | TBA |
| Profit & Loss | TBA | TBA |
| Symbols & Notations | TBA | TBA |
| LCM and HCF | TBA | TBA |
Parts B and C of the CSIR NET Physical Science 2025 exam focused on core physical science topics. While Part B was moderately challenging, Part C was numerically intensive and conceptually tricky, especially in quantum mechanics and classical mechanics.
| CSIR NET Physical Science Exam Analysis 2025 - Part B & C | ||
| Topics | Good Attempts | Difficulty Level |
| Mathematical Methods of Physics | TBA | TBA |
| Classical Mechanics | TBA | TBA |
| Quantum Mechanics | TBA | TBA |
| Thermodynamics & Statistical Physics | TBA | TBA |
| Electronics and Experimental Methods | TBA | TBA |
| Atomic & Molecular Physics | TBA | TBA |
| Nuclear & Particle Physics | TBA | TBA |
The CSIR NET 2025 Physical Science cut-off provides a benchmark for candidates to assess their performance. It reflects the expected marks and percentage required for qualifying in different categories based on exam difficulty.
| CSIR NET 2025 Physical Science Expected Cut Off | ||
| Category | Expected Cut Off (%) | Expected Marks (out of 200) |
| General (UR) | TBA | TBA |
| EWS | TBA | TBA |
| OBC (NCL) | TBA | TBA |
| SC/ST | TBA | TBA |