Physics – Semester 4 (DSC-4: Waves and Optics)

100% Syllabus-Covered | PYQs 2015-2024 | Score-Boosting Strategies

🔍 Key Features:

✅ Strictly DU Syllabus-Aligned (CBCS 2023-24)
✅ Chapterwise PYQs (2015-2024 Solved + Unsolved)
✅ Includes 2023 DU Paper (Fully Solved)
✅ Special Focus on:

• Wave Motion: Harmonic waves, Doppler effect (50+ numericals)

• Optics: Interference (Young’s double slit), Diffraction (Fraunhofer), Polarization (Malus’ law)

• Applied Optics: Optical fibers, LASER principles

📝 Question Types:

✔ 2-Markers: 150+ definitions, derivations, and short proofs
✔ 5-Markers: 80+ diagram-based problems (e.g., Fresnel biprism)
✔ Numericals: 120+ graded problems (w/ step-by-step solutions)
✔ MCQs: 200+ (for rapid revision)

🎯 Unique Exam Tools:

🔹 Tricky Topics Highlighted: Huygens’ principle vs. Newton’s corpuscular theory
🔹 Common Mistakes: Wavefront vs. ray diagrams, phase difference errors
🔹 Topper’s Tips: How to attempt 8-mark derivations in 10 mins
🔹 Marking Scheme Analysis: DU examiner’s preferred answer patterns