50 Physics Formulas Every JEE Main 2027 Aspirant Must Know

50 Important Physics Formulas for JEE Main

Physics for JEE Main needs conceptual knowledge as well as quick revision of formulas. Here are some important formulas of Physics that students need to go through while preparing for the examination.

1. Equations of Motion

• $ v = u + at $

• $ s = ut + \frac{1}{2}at^2 $

• $ v^2 = u^2 + 2as $

2. Newton's Second Law of Motion

$ F = ma $

3. Linear Momentum

$ p = mv $

4. Impulse-Momentum Theorem

$ J = F\Delta t = \Delta p $

5. Work Done by a Constant Force

$ W = Fs\cos\theta $

6. Kinetic Energy

$ K = \frac{1}{2}mv^2 $

7. Gravitational Potential Energy

$ U = mgh $

8. Power

$ P = \frac{W}{t} $

9. Power in Terms of Force and Velocity

$ P = Fv $

10. Centripetal Force

$ F_c = \frac{mv^2}{r} $

Centripetal Force in Terms of Angular Velocity

$ F_c = m\omega^2r $

11. Newton's Law of Universal Gravitation

$ F = \frac{Gm_1m_2}{r^2} $

12. Acceleration Due to Gravity

$ g = \frac{GM}{R^2} $

13. Escape Velocity

$ v_e = \sqrt{\frac{2GM}{R}} $

Escape Velocity Near Earth's Surface

$ v_e = \sqrt{2gR} $

14. Torque

$ \tau = rF\sin\theta $

15. Angular Momentum

$ L = I\omega $

16. Rotational Kinetic Energy

$ K = \frac{1}{2}I\omega^2 $

17. Heat Energy

$ Q = mc\Delta T $

Latent Heat

$ Q = mL $

18. Ideal Gas Equation

$ PV = nRT $

19. First Law of Thermodynamics

$ \Delta Q = \Delta U + W $

20. Efficiency of Heat Engine

$ \eta = \frac{W}{Q_H}\times100 $

21. Efficiency of Carnot Engine

$ \eta = 1-\frac{T_C}{T_H} $

22. Angular Frequency

$ \omega = 2\pi f $

23. Time Period of Simple Pendulum

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

24. Time Period of Spring-Mass System

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

25. Wave Equation

$ v = f\lambda $

26. Displacement Equation of SHM

$ x = A\sin(\omega t+\phi) $

27. Coulomb's Law

$ F = \frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r^2} $

28. Electric Field

$ E = \frac{F}{q} $

29. Electric Field Due to a Point Charge

$ E = \frac{1}{4\pi\epsilon_0}\frac{q}{r^2} $

30. Electric Potential

$ V = \frac{W}{q} $

31. Electric Potential Due to a Point Charge

$ V = \frac{1}{4\pi\epsilon_0}\frac{q}{r} $

32. Electric Potential Energy

$ U = \frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r} $

33. Capacitance

$ C = \frac{Q}{V} $

34. Capacitance of a Parallel-Plate Capacitor

$ C = \frac{\epsilon_0A}{d} $

35. Energy Stored in a Capacitor

$ U = \frac{1}{2}CV^2 $

Energy Stored in a Capacitor in Terms of Charge

$ U = \frac{Q^2}{2C} $

36. Ohm's Law

$ V = IR $

37. Resistance of a Uniform Wire

$ R = \rho\frac{l}{A} $

38. Electrical Power

$ P = VI $

Electrical Power in Terms of Current

$ P = I^2R $

Electrical Power in Terms of Voltage

$ P = \frac{V^2}{R} $

39. Electrical Energy

$ W = VIt $

40. Current and Drift Velocity Relation

$ I = neAv_d $

41. Magnetic Force on a Moving Charge

$ F = qvB\sin\theta $

42. Force on a Current-Carrying Conductor

$ F = BIl\sin\theta $

43. Magnetic Field Due to a Long Straight Wire

$ B = \frac{\mu_0I}{2\pi r} $

44. Magnetic Flux

$ \Phi = BA\cos\theta $

45. Faraday's Law of Electromagnetic Induction

$ \varepsilon = -\frac{d\Phi}{dt} $

46. Faraday's Law for a Coil of N Turns

$ \varepsilon = -N\frac{d\Phi}{dt} $

47. Energy Stored in an Inductor

$ U = \frac{1}{2}LI^2 $

48. Mirror Formula

$ \frac{1}{f} = \frac{1}{v}+\frac{1}{u} $

49. Magnification of a Mirror

$ m = -\frac{v}{u} $

50. Lens Formula

$ \frac{1}{f} = \frac{1}{v}-\frac{1}{u} $

Magnification of a Lens

$ m = \frac{v}{u} $

Lens Maker's Formula

$ \frac{1}{f}=(\mu-1)\left(\frac{1}{R_1}-\frac{1}{R_2}\right) $

51. Einstein's Photoelectric Equation

$ K_{\max}=h\nu-\phi $

Check: JEE Main 2027 Important Formulas for Physics PDF

Physics Formula Usage for JEE Main 2027 Preparation

Rote learning of formulas alone will not help to score high marks in JEE Main Physics. Students need to know when a particular formula can be used and practise questions related to it.

1. First learn the concept: Understand the concept before rote-learning its formula.

2. Prepare a formula sheet: Prepare sheets for all important formulas subject-wise.

3. Practice numericals: Apply each formula in different question types.

4. Revisit periodically: Take short revisions to avoid forgetting formulas.

5. Solve past year papers: See the application of formulas in the actual JEE Main question papers.

6. Analyse mistakes: Maintain JEE Main notes on those questions in which you have used wrong formulas or done wrong calculations.

7. Learn the units: Knowledge of the SI units of physical quantities will help you detect your mistakes in calculation/dimensional analysis.

Also Read: Download JEE Mains 2027: Physics Set of 5 Sample Papers with Solution Free PDF

Tips to Revise Physics Formulas for JEE Main 2027

Formulas will become much more beneficial if students use them along with problem-solving. Students should categorise formulas in smaller groups according to different topics and revise them repeatedly instead of trying to memorise all formulas at once.

1. Revise one or two chapters at a time.

2. Write down formulas from memory and verify them.

3. Attempt 5 to 10 questions after revising a formula.

4. Review your formula list before starting any mock test.

5. Go through formulas connected with wrong answers.

Also Check: JEE Main 2027 Daily Study Plan

Best Books for JEE Main Physics 2027 Preparation

Selecting proper books will make the preparation of Physics easy and systematic. Students must select such JEE Main books that have clear explanations for concepts and sufficient numerical problems for practice.