JEE Main Physics FormulasComplete chapter-wise list — free

Every key JEE Main Physics formula, organised by chapter — from Kinematics to Modern Physics. Bookmark this sheet for quick revision, and use Synapse's free AI notes and unlimited practice to master each topic.

Kinematics Laws of Motion Work, Energy & Power Rotational Motion Gravitation SHM & Oscillations Waves & Sound Thermodynamics & Kinetic Theory Electrostatics Current Electricity Magnetism & Moving Charges EMI & Alternating Current Optics Modern Physics

Kinematics

First equation of motionv = u + at

Second equation of motions = ut + ½at²

Third equation of motionv² = u² + 2as

Distance in nth secondsₙ = u + ½a(2n − 1)

Projectile rangeR = u²sin2θ / g

Projectile max heightH = u²sin²θ / 2g

Laws of Motion

Newton's second lawF = ma = dp/dt

Momentump = mv

Friction (limiting)f = μN

Banking of roadstanθ = v² / rg

Centripetal forceF = mv² / r = mω²r

Work, Energy & Power

Work doneW = F·s·cosθ

Kinetic energyKE = ½mv²

Potential energyPE = mgh

Work–energy theoremW = ΔKE

PowerP = W/t = F·v

Spring PEU = ½kx²

Rotational Motion

Torqueτ = Iα = r × F

Angular momentumL = Iω

Rotational KEKE = ½Iω²

Moment of inertia (disc)I = ½MR²

Moment of inertia (solid sphere)I = (2/5)MR²

Rolling KEKE = ½mv²(1 + k²/R²)

Gravitation

Newton's gravitationF = G·m₁m₂ / r²

Gravitational PEU = −G·m₁m₂ / r

Orbital velocityv = √(GM/r)

Escape velocityvₑ = √(2GM/R)

Kepler's third lawT² ∝ r³

SHM & Oscillations

Displacementx = A·sin(ωt + φ)

Time period (spring)T = 2π√(m/k)

Time period (pendulum)T = 2π√(L/g)

Total energyE = ½mω²A²

Velocity in SHMv = ω√(A² − x²)

Waves & Sound

Wave speedv = fλ

Speed on a stringv = √(T/μ)

Doppler effectf' = f(v ± v₀)/(v ∓ vₛ)

Beat frequencyf_beat = |f₁ − f₂|

Thermodynamics & Kinetic Theory

Ideal gas lawPV = nRT

First lawΔQ = ΔU + ΔW

RMS speedv_rms = √(3RT/M)

Efficiency (Carnot)η = 1 − T_c/T_h

Mean KE per moleculeKE = (3/2)k_BT

Electrostatics

Coulomb's lawF = kq₁q₂ / r²

Electric fieldE = kq / r²

Electric potentialV = kq / r

Capacitance (parallel plate)C = ε₀A / d

Energy storedU = ½CV²

Current Electricity

Ohm's lawV = IR

PowerP = VI = I²R = V²/R

ResistanceR = ρL / A

Series / ParallelR_s = R₁+R₂ ; 1/R_p = 1/R₁+1/R₂

Drift velocityI = neAv_d

Magnetism & Moving Charges

Force on a chargeF = qvB·sinθ

Force on a wireF = BIL·sinθ

Field (long wire)B = μ₀I / 2πr

Field (solenoid)B = μ₀nI

Cyclotron radiusr = mv / qB

EMI & Alternating Current

Faraday's lawemf = −dΦ/dt

Inductive reactanceX_L = ωL

Capacitive reactanceX_C = 1/(ωC)

ImpedanceZ = √(R² + (X_L − X_C)²)

Resonant frequencyf₀ = 1 / 2π√(LC)

Optics

Lens / mirror formula1/f = 1/v − 1/u

Magnificationm = v/u = h'/h

Lensmaker's formula1/f = (μ−1)(1/R₁ − 1/R₂)

Snell's lawμ₁sinθ₁ = μ₂sinθ₂

Young's fringe widthβ = λD / d

Modern Physics

Photon energyE = hf = hc/λ

de Broglie wavelengthλ = h/p = h/mv

Photoelectric effectE = φ + KE_max

Bohr energy levelsEₙ = −13.6/n² eV

Mass–energyE = mc²

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JEE Physics Formulas — FAQs

Are these formulas enough for JEE Main Physics?

This sheet covers the core, high-yield formulas across every JEE Main Physics chapter. For full preparation, pair it with concept notes, derivations and practice — all available free on Synapse.

Do these formulas also apply to NEET and JEE Advanced?

Yes — the same physics formulas apply to NEET and JEE Advanced. Advanced may require deeper derivations and edge cases, which Synapse's AI notes cover.

How should I revise physics formulas before the exam?

Revise chapter-wise, write each formula by hand, and immediately solve 2–3 problems applying it. Synapse can generate unlimited practice questions per topic to drill them.