GATE Physics PYQs 2012–2025 | Perturbation Theory, LS Coupling & WKB Method | Complete Solutions

In this video, we solve GATE Physics Previous Year Questions (2012–2025) based on three extremely important Quantum Mechanics topics:

🔹 Perturbation Theory (Non-degenerate, Degenerate & Time-dependent)
🔹 LS Coupling (Russell–Saunders coupling) in Atomic Physics
🔹 WKB Approximation Method

All questions are solved step-by-step, with exam-oriented tricks and conceptual explanations specially designed for GATE Physics and CSIR NET Physics aspirants.

This session is ideal for:
✔ GATE Physics 2026 aspirants
✔ CSIR NET Physical Sciences candidates
✔ Students revising Quantum Mechanics and Atomic Physics
✔ Anyone looking for a PYQ-based structured revision

Topics covered include:

Energy corrections in perturbation theory

Degenerate level splitting

Selection rules and term symbols in LS coupling

WKB validity condition and tunneling problems

Repeated PYQ patterns from GATE & CSIR NET
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Видео GATE Physics PYQs 2012–2025 | Perturbation Theory, LS Coupling & WKB Method | Complete Solutions канала PotentialG - CSIR NET | GATE | TIFR PHYSICS