JEE Physics Notes: Physics Formula PDF for Entrance Exam

Introduction

Physics formulas play a crucial role in solving numerical problems efficiently in entrance exams like JEE Main and JEE Advanced. This document provides a comprehensive list of important formulas covering various topics in physics to help students with quick revision and problem-solving.

1. Mechanics Formulas

• Kinematics: Equations of motion: v = u + at, s = ut + (1/2)at², v² = u² + 2as.
• Newton’s Laws of Motion: F = ma.
• Work, Energy, and Power: W = Fd cosθ, KE = (1/2)mv², PE = mgh.
• Rotational Motion: τ = Iα, L = Iω.

2. Gravitation Formulas

• Newton’s Law of Gravitation: F = G(m₁m₂)/r².
• Escape Velocity: ve = √(2GM/R).
• Orbital Velocity: vo = √(GM/R).

3. Properties of Matter

• Fluid Mechanics: Bernoulli’s Equation: P + (1/2)ρv² + ρgh = constant.
• Surface Tension: T = F/L.

4. Thermodynamics Formulas

• First Law of Thermodynamics: ΔQ = ΔU + W.
• Efficiency of Carnot Engine: η = 1 - T₂/T₁.

5. Waves and Sound

• Wave Equation: v = fλ.
• Doppler Effect: f' = f (v ± vo)/(v ∓ vs).

6. Optics Formulas

• Lens Formula: 1/f = 1/v - 1/u.
• Mirror Formula: 1/f = 1/v + 1/u.
• Magnification: m = - v/u.

7. Electricity and Magnetism

• Ohm’s Law: V = IR.
• Kirchhoff’s Laws: Junction Rule: ΣIin = ΣIout, Loop Rule: ΣV = 0.
• Magnetic Force: F = q(v × B).

8. Modern Physics

• Photoelectric Effect: hν = Φ + KEmax.
• De Broglie Wavelength: λ = h/p.
• Einstein’s Mass-Energy Relation: E = mc².

Conclusion

This formula sheet provides an essential reference for quick revision before exams. Mastering these formulas will enhance problem-solving speed and accuracy in JEE and other entrance exams.