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CSIR NET December 2025 Physical Science Exam Analysis, Review, Difficulty Level

CSIR NET Physical Science 2025 exam held on 18 December 2025 is analyzed for section-wise difficulty, topic-wise questions, and estimated good attempts. This helps aspirants assess performance, plan preparation, and gauge chances for JRF or Lectureship.
authorImageRoshni Yadav18 Dec, 2025
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CSIR NET December 2025 Physical Science Exam Analysis

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 December 2025 Physical Science Exam Analysis 2025 Highlights

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

CSIR NET Physical Science 2025- Topic-wise Questions 

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

 

CSIR NET Physical Science 2025 Difficulty Level

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

CSIR NET Physical Science Exam 2025 Good Attempts

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

CSIR NET Physical Science Exam Analysis 2025 - Part A

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

CSIR NET Physical Science Exam Analysis 2025 - Part B & C

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

CSIR NET 2025 Physical Science Expected Cut Off

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

 

CSIR NET December 2025 Physical Science FAQs

When was the CSIR NET December 2025 Physical Science exam conducted?

The exam was conducted on 18 December 2025, in the 3:00 PM to 6:00 PM shift.

What is the mode and duration of the exam?

The exam was held in Online (CBT) mode and lasted for 3 hours.

How can candidates use the exam analysis?

Candidates can use the analysis to understand section-wise difficulty, good attempts, and expected cut-offs for better preparation and self-assessment.

Where can I find official information about the exam?

Official details are available on the NTA CSIR NET website: csirnet.nta.ac.in.
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