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JEE Main Physics Formula Sheet 2025: Chapter-wise PDF & Revision Notes

By rohit.pandey1

|

Updated on 22 Dec 2025, 16:00 IST

JEE Main Physics Formula Sheet: For aspirants aiming for a 99+ percentile in the JEE Main 2026 exam, mastering the application of formulas is essential. Physics is often considered the most scoring yet challenging section, with approximately 60-70% of questions being directly or indirectly formula-based. To streamline the preparation of candidates, we have compiled a comprehensive Physics formulas for JEE Mains last minute revision guide, covering all 27 chapters of the Class 11 and Class 12 syllabus.

As per recent exam analysis and the updated NTA JEE Mains formula list 2026, several topics have been streamlined. Candidates are advised to use this JEE Main Physics chapter-wise formula PDF repository to ensure they are only studying the relevant topics. Whether you are looking for high-weightage topics like Electrodynamics or score-boosting units like Modern Physics, this printable Physics formula sheet serves as a complete "cheat sheet" for your daily practice sessions.

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In this article, students can access direct download links for the Class 11 & 12 Physics formula book, organized by units for easier navigation. Experts suggest that consistent use of a Physics cheat sheet for JEE 2026 can reduce calculation errors and significantly improve problem-solving speed during the actual exam.

JEE Main Physics Formula Sheet 2026: Chapter-wise PDF Download

Unit & ChapterDownload Link
Kinematics JEE formulas PDFDownload PDF
Projectile Motion formulas PDFDownload PDF
Circular Motion formulas JEEDownload PDF
Laws of Motion formulas for JEE PDFDownload PDF
Work, Power and Energy JEE formulas PDFDownload PDF
Center of Mass formulas PDFDownload PDF
Rotational Dynamics PDFDownload PDF
Gravitation formulas JEE PDFDownload PDF
Elasticity Formula PDF for JEE MainsDownload PDF
Fluid Mechanics JEE PDFDownload PDF
Thermodynamics JEE PDFDownload PDF
Kinetic Theory of Gases PDFDownload PDF
Simple Harmonic Motion PDFDownload PDF
Waves and Sound JEE PDFDownload PDF
Electrostatics formulas PDFDownload PDF
Capacitance formulas JEE PDFDownload PDF
Current Electricity PDFDownload PDF
Moving Charges formulas PDFDownload PDF
Magnetism and Matter PDFDownload PDF
EMI formulas for JEE PDFDownload PDF
Alternating Current PDFDownload PDF
EM Waves formulas JEE PDFDownload PDF
Ray Optics formulas PDFDownload PDF
Optical Instruments PDFDownload PDF
Wave Optics formulas JEE PDFDownload PDF
Modern Physics formulas PDFDownload PDF
Logic GatesDownload PDF
Semiconductors Important Formula for JEEDownload PDF

Most important JEE Mains Physics formulas for last minute revision

For students aiming to maximize their score in the final hours, focusing on the most important Physics formulas for last-minute revision is the most efficient strategy. Instead of revisiting entire derivations, candidates should prioritize "high-yield" identities that appear frequently in the NTA JEE Main Previous question papers.

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Unit 1: Mechanics Formula Sheet (Class 11 Physics)

Mechanics is the most vital sub-discipline for JEE aspirants, forming the foundation for nearly all subsequent chapters. According to JEE Main 2025 previous year analysis, this unit carries the highest weightage, with a high concentration of questions from Rotational Motion and Newton's Laws.

Below, candidates can find the chapter-wise Physics formulas for JEE Mains for all units under Mechanics. These have been updated as per the latest NTA guidelines for the 2025-26 session.

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Chapter 1: Kinematics (Motion in 1D & 2D)

Kinematics focuses on the parameters of motion without considering the forces causing them. It is a high-yield chapter for numerical-type questions.

Equations of Motion (Constant 'a'):

  • v = u + at
  • s = ut + ½at2
  • v2 = u2 + 2as

Projectile Motion:

  • Time of Flight: T = (2u sinθ) / g
  • Maximum Height: H = (u2 sin2θ) / 2g
  • Range: R = (u2 sin2θ) / g

Chapter 2: Laws of Motion & Friction

This chapter introduces the concept of Force and Inertia. Mastery of Free Body Diagrams (FBD) is essential here.

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  • Newton’s Second Law: F = ma (where m is constant).
  • Impulse: J = Δp = ∫ Fdt.
  • Friction (Static): fs,max = μsN
  • Friction (Kinetic): fk = μkN

Chapter 3: Work, Power, and Energy

The Work-Energy Theorem is the "silver bullet" for solving complex mechanics problems where force varies with position.

  • Work-Energy Theorem: Wnet = ΔK = Kf - Ki
  • Potential Energy (Spring): U = ½kx2
  • Power: P = F · v

Chapter 4: Rotational Dynamics & Center of Mass

Often considered the toughest chapter in Mechanics, it requires a clear understanding of Moment of Inertia and Torque.

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  • Torque: τ = r × F =
  • Angular Momentum: L = = mvr
  • Rolling Motion (Total KE): Ktotal = ½mvcm2 + ½Icmω2

Chapter 5: Gravitation

A relatively high-scoring chapter with direct application of Newton's Law of Gravitation and Kepler's Laws.

  • Escape Velocity: ve = √(2GM / R)
  • Orbital Velocity: vo = √(GM / r)
  • Gravitational Potential: V = -(GM / r)

Candidates are advised to practice 'Variable Acceleration' problems using Calculus. In JEE Main 2024 and 2025, several shifts featured questions where acceleration was a function of time (a = f(t)), requiring integration to find velocity and displacement.

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Unit 2: Electrodynamics & Magnetism (High Weightage JEE Formulas)

Electrodynamics is a cornerstone of the JEE Main Physics paper, typically accounting for 20-25% of the total weightage. Mastering the relationship between charges, fields, and circuits is essential for a 99+ percentile.

Chapter 6: Electrostatics & Capacitance

  • Coulomb's Law: F = k q1q2 / r2
  • Electric Potential: V = k q / r
  • Capacitance (Parallel Plate): C = ε0A / d
  • Energy Stored: U = ½CV2

Chapter 7: Current Electricity

  • Ohm’s Law: V = IR
  • Drift Velocity: vd = eEτ / m
  • Kirchhoff’s Loop Rule: ΣΔV = 0
  • Potentiometer Gradient: k = V / L

Chapter 8: Magnetic Effects of Current & Magnetism

  • Biot-Savart Law: dB = (μ0 / 4π) (I dl sinθ / r2)
  • Magnetic Force: F = q(v × B)
  • Magnetic Moment: M = NIA

Unit 3: Heat, Thermodynamics & KTG Formulas

This unit is highly scoring because the formulas are direct. Focus on the sign conventions for Work and Heat to avoid common errors.

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Chapter 9: Thermal Properties & Thermodynamics

  • First Law of Thermodynamics: ΔQ = ΔU + ΔW
  • Work Done (Isothermal): W = 2.303nRT log(V2/V1)
  • Carnot Efficiency: η = 1 - (T2 / T1)

Chapter 10: Kinetic Theory of Gases (KTG)

  • Ideal Gas Equation: PV = nRT
  • RMS Speed: vrms = √(3RT / M)
  • Degree of Freedom (Law of Equipartition): U = (f/2)nRT

Unit 4: Optics, Waves & Oscillations (Score-Boosting Formulas)

Optics and Waves require a strong grasp of wave-fronts and ray diagrams. These chapters are frequently tested in the numerical section.

Chapter 11: Ray Optics & Wave Optics

  • Lens Maker's Formula: 1/f = (μ-1) (1/R1 - 1/R2)
  • Mirror Formula: 1/f = 1/v + 1/u
  • YDSE Fringe Width: β = λD / d

Chapter 12: Oscillations (SHM) & Waves

  • SHM Displacement: x = A sin(ωt + φ)
  • Time Period (Simple Pendulum): T = 2π√(L / g)
  • Doppler Effect: f' = f [(v ± vo) / (vvs)]

Unit 5: Modern Physics & Semiconductors (NTA 2025 Revised)

Modern Physics is the highest ROI (Return on Investment) unit in JEE Main. The formulas are concise and the questions are often direct.

Chapter 13: Dual Nature, Atoms & Nuclei

  • Photoelectric Equation: Kmax = hf - Φ
  • De-Broglie Wavelength: λ = h / p
  • Bohr’s Radius: rn = 0.529 (n2 / Z) Å
  • Radioactive Decay: N = N0et

Chapter 14: Semiconductors & Logic Gates

  • Mass Action Law: ni2 = nenh
  • Transistor Current Gain: β = Ic / Ib
  • Logic Gates: AND (Y=AB), OR (Y=A+B)

7. Preparation Strategy: How to Use the Physics Formula Book Effectively

Mastering JEE Main 2026 Physics requires more than just rote memorization; it demands a strategic understanding of how and where to apply specific equations. Relying solely on a JEE Main Physics chapter-wise formula PDF without a retrieval plan often leads to "blanking out" during the actual exam. To help candidates bridge the gap between learning and application, we have outlined the most effective methodology to utilize these resources.

Tips for Memorizing Physics Formulas for Competitive Exams

Given the vastness of the 27 chapters in the JEE Mains Physics syllabus, experts recommend a three-tier approach to ensure long-term retention and high accuracy in the numerical-type questions.

1. The Dimensional Analysis Check (The "Elimination" Hack)

One of the most powerful tools for a JEE aspirant is Dimensional Analysis. According to experts, this method serves as a primary verification tool during the exam. If you are confused between two similar-looking identities, check the dimensions on both sides of the equation.

  • Expert Advice: Use the principle of homogeneity. Before finalizing an answer in the numerical section, ensure your result’s dimensions match the quantity asked (e.g., Energy must always result in [ML2T-2]).

2. Adhering to the "Unit Consistency" Rule

A significant percentage of negative marking in JEE Main is attributed to "Unit Traps." Even with the correct Physics formulas for JEE Mains last minute revision, candidates often fail to convert units into a single system (usually SI).

  • Implementation: Always convert variables to standard units (m, kg, s, K) before calculation. Pay close attention to the value of constants like the Rydberg Constant or Universal Gas Constant (R), as their values change significantly with different units.

3. Mapping Formulas to JEE Main Physics Chapter-wise Weightage

To optimize your revision time, you must align your study schedule with the JEE Main Physics chapter-wise weightage. Not all chapters require the same depth of formula memorization.

  • High-Yield Units: Prioritize Modern Physics, Current Electricity, and Thermodynamics. These units have a high "formula-to-question" ratio, meaning a small set of formulas can help you solve multiple questions.
  • Conceptual Units: For Mechanics, focus on "Master Formulas" like the Work-Energy Theorem and Conservation of Linear Momentum, which are applicable across various problem types.

— Aman Verma, 99.8 Percentile, JEE Main 2024

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FAQs: JEE Main Physics Formula Sheet 2026

Is this Physics formula sheet updated for the NTA JEE Main 2026 syllabus?

The Physics formula sheet is prepared strictly in accordance with the latest syllabus released by the National Testing Agency (NTA) for JEE Main 2026. Topics removed from the syllabus, such as Communication Systems, have been excluded. The content focuses only on chapters and subtopics currently prescribed for the 2025–26 examination cycle.

Are NCERT Physics formulas enough to score 99+ percentile in JEE Main?

NCERT Physics formulas are essential and form the conceptual base for JEE Main preparation. However, scoring 99+ percentile typically requires familiarity with additional derived formulas, limiting cases, and shortcut results that are frequently used in numerical problems. Most high-scoring candidates supplement NCERT formulas with competitive exam–oriented results for faster problem solving.

Where can I download chapter-wise Physics formula PDFs for JEE Main?

Chapter-wise Physics formula PDFs can be downloaded from the unit-wise download section of the page. Separate PDFs are available for each chapter, along with a combined formula sheet that covers the entire JEE Main Physics syllabus, which is useful for revision before the exam.

Does NTA provide an official formula sheet during the JEE Main exam?

The National Testing Agency does not provide any official formula sheet or data booklet during the JEE Main examination. Candidates are expected to remember all standard formulas and relations. In some numerical questions, basic physical constants may be mentioned within the question itself, but this is not guaranteed.

Which Physics chapters have the highest weightage in JEE Main 2026?

Based on analysis of previous years’ JEE Main papers, Modern Physics, Current Electricity, and Electromagnetism together contribute a significant portion of the Physics section, often around 40–45%. Mechanics remains a core area and consistently accounts for roughly 30% of the questions. Actual weightage may vary slightly each year.

What is the best way to memorize Physics formulas for JEE Main?

A commonly recommended approach is active recall. Instead of repeatedly reading formulas, students should attempt to write down all formulas from a chapter without referring to notes. Afterward, the list can be cross-checked with a formula sheet to identify gaps. Revising the same formulas at regular intervals improves long-term retention.

Why do students struggle with numericals even after learning the formulas?

This usually occurs when formulas are applied without considering their conditions of validity. Many Physics formulas work only under specific assumptions, such as constant acceleration or ideal systems. Errors also arise due to incorrect unit conversion or misinterpretation of given data. Understanding when and how a formula applies is as important as memorizing it.

Is it necessary to study derivations for JEE Main 2026?

For JEE Main, questions generally focus on the application of formulas rather than detailed derivations. Learning derivations helps in understanding concepts, but memorizing them is not mandatory for Mains. However, derivation-based understanding becomes important for JEE Advanced, where questions may test modified or intermediate steps.