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NCERT Class 12 Physics
Full Syllabus Online Test - 120 MCQs
CBSE Board Exam 2026 | 3 Hours | Auto-Save Enabled
Quick Revision - Key Concepts
- Electrostatics: Coulomb's Law F=kq₁q₂/r², Gauss's Law Φ=Q/ε₀, Capacitor Energy U=½CV²
- Current: Ohm's Law V=IR, Kirchhoff's Laws, Wheatstone Bridge P/Q=R/S
- Magnetism: Biot-Savart Law, Ampere's Law, Lorentz Force F=qvB, Solenoid B=μ₀nI
- EMI & AC: Faraday's Law ε=-dΦ/dt, Lenz's Law, LCR Resonance ω₀=1/√(LC)
- Optics: Snell's Law n₁sinθ₁=n₂sinθ₂, Lens Formula 1/f=1/v-1/u, Interference β=λD/d
- Modern Physics: Photoelectric hν=φ+KE, de Broglie λ=h/p, Bohr's En=-13.6/n² eV
- Atoms & Nuclei: Mass Defect Δm, Binding Energy E=Δmc², Radioactive Decay N=N₀e^(-λt)
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