Class 12 Physics Formula Sheet 2025-26: All 14 Chapters with Important Formulas

Looking for the Class 12 Physics formula sheet 2025-26? Here you’ll get chapter-wise important formulas, weightage analysis, and a downloadable PDF for quick revision. This guide is 100% based on CBSE & NCERT syllabus and is perfect for board exams, NEET & JEE preparation.

📘 Class 12 Physics Formula Sheet – All 14 Chapters

⚡ Chapter 1&2 : Electrostatics & Potential & Capacitance

• Coulomb’s Law: F = kq₁q₂ / r²
• Electric Field: E = F / q
• Gauss Law: Φ = q / ε₀
• Capacitance: C = Q / V
• Energy Stored: U = ½CV²
• Electric Potential: V = W / q
• Potential due to Charge: V = kq / r
• Capacitance: C = Q / V
• Parallel Plate Capacitor: C = ε₀A / d

🔌 Chapter 3: Current Electricity

• Ohm’s Law: V = IR
• Power: P = VI = I²R
• Wheatstone Bridge: P/Q = R/S

🧲 Chapter 4: Moving Charges & Magnetism

• Magnetic Force: F = qvB sinθ
• Biot-Savart Law: dB = μ₀Idl sinθ / 4πr²

⚡ Chapter 6: Electromagnetic Induction

• Faraday’s Law: EMF = -N(dΦ/dt)
• Motional EMF: e = Blv

🔄 Chapter 7: Alternating Current

• Impedance: Z = √(R² + (XL - XC)²)
• Resonance Frequency: f = 1 / (2π√LC)

🔍 Chapter 9–10: Ray & Wave Optics

• Mirror Formula: 1/f = 1/v + 1/u
• Lens Formula: 1/f = 1/v - 1/u
• Snell’s Law: n₁sinθ₁ = n₂sinθ₂

⚛️ Chapter 11: Dual Nature of Radiation

• Einstein Equation: hν = φ + KE
• De Broglie Wavelength: λ = h / mv

☢️ Chapter 13: Nuclei

• Radioactive Decay: N = N₀e^(-λt)
• Half-life: T½ = 0.693 / λ

📊 Class 12 Physics Weightage (CBSE 2025-26)

👉 Agar tum smart preparation karna chahte ho, toh in chapters pe focus karo:

• Optics → 14 Marks
• Electrostatics + Current Electricity → 12 Marks
• EMI + AC → 10 Marks

🔥 Total = 36/70 Marks (High Scoring Topics)

❓ FAQs

 Q1. What are the most important formulas in Class 12 Physics?

The most important formulas include Coulomb’s Law, Ohm’s Law, Faraday’s Law, Lens Formula, and De Broglie Equation, as they are frequently asked in CBSE board exams.

 Q2.  Which chapters have highest weightage in Class 12 Physics 2025-26?

Optics, Electrostatics, Current Electricity, EMI, and AC carry the highest weightage and together contribute around 36 marks out of 70.

Q3.  How to revise Class 12 Physics formulas quickly?

Use a formula sheet PDF, revise daily, and focus on high-weightage chapters for faster and effective revision.

Q4. Where can I download Class 12 Physics formula sheet PDF in India?

You can download a handwritten, color-coded, and CBSE-aligned formula sheet from NCERTGuides.in.

📥 Download Class 12 Physics Formula Sheet PDF

Get your complete formula sheet for all 14 chapters:

✔️ Handwritten & easy to revise
✔️ Color-coded formulas
✔️ CBSE 2025-26 aligned
✔️ Print-ready A4 format

👉 Download Now from NCERTGuides.in – Only Rs. 159