NEET Formula 2026: Download Physics and Chemistry Formula Sheet PDF

NEET 2026 Formula Sheet PDF Download

To help aspirants revise quickly and effectively, we have provided a detailed NEET 2026 formula sheet PDF covering all important Physics and Chemistry formulas. Candidates can easily download the subject-wise formula sheets from the table below and use them for last-minute revision and concept strengthening.

NEET 2026 Formula Sheet - Last Minute Revision Strategy

The NEET 2026 formula sheet serves as a must-revise resource during the final phase of preparation. According to the NEET toppers' strategy, aspirants should not learn new concepts but strengthen their knowledge through actively revising important NEET formulas. This revision strategy helps in securing a higher rank.

• It increases the active recall of formulas during the NEET 2026 exam day.

• Daily revision of these important NEET formulas prevents confusion in expressions such as $R$ vs $R^2$, $\sin\theta$ vs $\sin^2\theta$

• The formula sheet covers NEET high-weightage numerical chapters important for boosting exam scores.

• Also, a clear understanding of all formulas helps in selecting high-accuracy question types quickly, differentiating between solvable questions and time-consuming ones.

NEET 2026 Physics Formula Sheet

The NEET 2026 Physics Formula Sheet include all high‑weightage equations from Mechanics, Electrostatics, Current Electricity, Oscillations, and Modern Physics. Revising all important physics formulas regularly helps in achieving higher ranks.

These formulas are repeatedly asked in NEET previous year papers and form the backbone of numerical problem-solving.

Current Electricity

• EMF & terminal voltage: $V = E - Ir$

• Current in circuit: $I = \frac{E}{R + r}$

• Potentiometer: $\frac{E_1}{E_2} = \frac{l_1}{l_2}$

• Power (parallel): $P = \frac{V^2}{R}$

• Power (series): $P = I^2 R$

• n resistors in parallel: $R_{\text{eff}} = \frac{R}{n}$

• Wheatstone bridge: $\frac{P}{Q} = \frac{R}{S}$

• Drift velocity: $v_d = \frac{I}{neA} = \frac{eE\tau}{m}$

• Current density: $J = \sigma E = \frac{E}{\rho} = ne v_d$

Electrostatics & Capacitance

• Coulomb’s law: $F = \frac{k q_1 q_2}{r^2}$

• Potential: $V = \frac{kQ}{r}$

• Dipole field: $E \propto \frac{1}{r^3}$

• Dipole energy change: $\Delta U = pE(\cos\theta_1 - \cos\theta_2)$

• Capacitance: $C = \frac{K \varepsilon_0 A}{d}$

• Energy stored: $U = \frac{1}{2}CV^2 = \frac{Q^2}{2C}$

• Charge sharing: $V' = \frac{V}{2}$

Ray Optics

• Lensmaker: $\frac{1}{f} = (n-1)\left(\frac{1}{R_1} - \frac{1}{R_2}\right)$

• Power: $P = \frac{1}{f}$

• Snell’s law: $n_1 \sin\theta_1 = n_2 \sin\theta_2$

• Critical angle: $\sin C = \frac{n_2}{n_1}$

• Mirror formula: $\frac{1}{v} + \frac{1}{u} = \frac{1}{f}$

• Microscope: $M = \frac{L}{f_o}\left(1 + \frac{D}{f_e}\right)$

• Telescope: $M = \frac{f_o}{f_e}$

• YDSE: $\beta = \frac{\lambda D}{d}$

• Brewster angle: $\tan \theta_B = n$

Gravitation

• g with height: $g' = g\left(\frac{R}{R+h}\right)^2$

• g with depth: $g' = g\left(1 - \frac{d}{R}\right)$

• Kepler’s law: $T^2 \propto R^3$

• Escape velocity: $v_e = \sqrt{2gR}$

• Orbital velocity: $v_o = \sqrt{\frac{GM}{r}}$

• Angular momentum: $I_1 \omega_1 = I_2 \omega_2$

Semiconductors

• Half-wave rectifier: $f_{\text{out}} = f_{\text{in}}$

• Full-wave rectifier: $f_{\text{out}} = 2f_{\text{in}}$

• Zener voltage: $V_{\text{out}} = V_Z$

Moving Charges & Magnetism

• Solenoid: $B = \mu_0 n I$

• Radius in B: $r = \frac{mv}{qB}$

• Torque: $\tau = nBIA \sin\theta$

• Straight wire: $B = \frac{\mu_0 I}{2\pi r}$

Oscillations (SHM)

• Pendulum: $T = 2\pi \sqrt{\frac{l}{g}}$

• Spring: $T = 2\pi \sqrt{\frac{m}{k}}$

• Velocity: $v = \omega \sqrt{A^2 - x^2}$

Alternating Current

• RMS: $V_{\text{rms}} = \frac{V_0}{\sqrt{2}}$

• Impedance: $Z = \sqrt{R^2 + (X_L - X_C)^2}$

• Resonance: $\omega_0 = \frac{1}{\sqrt{LC}}$

• Power: $P = V_{\text{rms}} I_{\text{rms}} \cos\phi$

Modern Physics

• Photoelectric: $KE_{\max} = h\nu - \phi$

• de Broglie: $\lambda = \frac{h}{mv}$

• Bohr radius: $r_n = n^2 \times 0.529 , \text{Å}$

• Energy: $E_n = -\frac{13.6}{n^2}$

• Nuclear radius: $R = R_0 A^{1/3}$

• Decay: $N = N_0 e^{-\lambda t}$

Kinematics & Laws

• nth second: $S_n = u + \frac{a}{2}(2n-1)$

• Momentum: $\sum m u = \sum m v$

• Projectile height: $H = \frac{u^2 \sin^2\theta}{2g}$

• Terminal velocity: $v_t = \frac{2r^2 (\rho - \sigma) g}{9\eta}$

NEET 2026 Chemistry Formula Sheet

The NEET 2026 Chemistry Formula Sheet combines all essential equations from the high-weightage chemistry chapters. Most scoring topics from chapters such as Solutions, Thermodynamics, Electrochemistry, and Chemical Kinetics are included based on NEET PYQs. For last‑minute NEET 2026 preparation, this formula sheet serves as a reliable reference to maximise scoring potential in the Chemistry section.

Electrochemistry

• Cell potential: $E^\circ_{\text{cell}} = E^\circ_c - E^\circ_a$

• Nernst: $E = E^\circ - \frac{0.0592}{n} \log Q$

• Gibbs relation: $\Delta G^\circ = -nFE^\circ$

• Kohlrausch: $\lambda^\circ_m = \sum \lambda^\circ_{\text{ions}}$

• Degree dissociation: $\alpha = \frac{\lambda_m}{\lambda^\circ_m}$

• Faraday: $W = \frac{M}{nF} It$

Chemical Kinetics

• First order: $k = \frac{2.303}{t} \log \frac{[A]_0}{[A]}$

• Half-life: $t_{1/2} = \frac{0.693}{k}$

• Arrhenius: $\ln k = \ln A - \frac{E_a}{RT}$

• Second order: $t_{1/2} = \frac{1}{k[A]_0}$

Thermodynamics

• First law: $\Delta U = q + w$

• Gibbs: $\Delta G = \Delta H - T\Delta S$

• Equilibrium: $\Delta G^\circ = -RT \ln K$

• $K_p$ relation: $K_p = K_c (RT)^{\Delta n}$

• Heat capacity: $C_p - C_v = R$

Equilibrium

• pH: $\text{pH} = -\log [H^+]$

• Salt pH: $\text{pH} = 7 + \frac{1}{2}(pK_a + \log c)$

• Degree ionisation: $\alpha = \sqrt{\frac{K_a}{c}}$

• Buffer: $\text{pH} = pK_a + \log \frac{[A^-]}{[HA]}$

Solutions

• Raoult: $p_A = x_A p^\circ_A$

• Boiling rise: $\Delta T_b = K_b m$

• Freezing drop: $\Delta T_f = K_f m$

• Osmotic pressure: $\pi = CRT$

• Van’t Hoff: $i = 1 + \alpha (n-1)$

Atomic Structure

• Energy: $E_n = -\frac{13.6 Z^2}{n^2}$

• Radius: $r_n = \frac{0.529 n^2}{Z}$

• Wavelength: $\frac{1}{\lambda} = RZ^2 \left(\frac{1}{n_1^2} - \frac{1}{n_2^2}\right)$

Gas Laws

• Ideal gas: $PV = nRT$

• Partial pressure: $P_A = x_A P_{\text{total}}$

• Molar volume: $V = 22.4 , \text{L (STP)}$

Preparation Tips Using NEET 2026 Formula Sheet

Effective use of the NEET 2026 Formula Sheet requires a structured approach to revision. Aspirants should integrate the NEET formula sheet into their daily study routine to maximise recall and accuracy. It helps in solving:

• Top 50 Physics numericals that score 120+ marks based on the most repeated physics concepts in PYQs.

• Practice the top 75 repeated chemistry questions in NEET to cover the most scoring concepts.

• Practising NEET Physics question paper PYQs to gain practice of the exam pattern.

By consistently revising and applying formulas, aspirants can transform the formula sheet into a powerful tool for last‑minute NEET 2026 preparation.