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JEE Main Physics Formulas 2026 - Topic wise Important Formulas
JEE Main Physics Formulas 2026 - The JEE Main exam is one of the top exams for engineering in India. Having a consolidated formula sheet makes your preparation for the JEE Main exam more manageable and efficient. Candidates should manage all three subjects properly. When candidates have a compiled list of important physics formulas, candidates can revise the concepts faster and solve numerous problems easily. Knowing when and which formula to apply is crucial for aspirants. Here are some important JEE Main 2026 Physics formulas based on the JEE main 2026 syllabus. Candidates can follow the Physics formulas to prepare for the IIT JEE exam.
JEE Main 2026 registration has already started, and students can register from 31 October 2025 to 27 November 2025. Session 1 is scheduled from 21 to 30 January 2026. This year, several changes have been made: dark mode has been enabled, font size has been adjusted, and screen zoom-in and zoom-out options have been added.
Few Important JEE Main Physics Formulas 2026
Aspirants preparing for JEE Mains must remember that, along with concepts, one needs to revise and remember the formulas, which are very important while solving any problems. As JEE Main Physics formulas are given below, these formulas need to be memorised daily, as direct questions and formulas are asked in exams. Students can also solve JEE Main Chapter-Wise PYQs.
Below are a few important formulas for JEE Main Physics.
Formulas for Kinematics
1. Average speed = Total distance/Total time
2. Average velocity = Total displacement/Total time
3. Acceleration $=($ Final velocity - Initial velocity $) /$ Time taken
Newton's Law of Motion
1. $F=m \times a$ (Newton's Second Law of Motion)
2. Impulse $=$ force $\times$ time
Formulas for Work, Energy, and Power:
1. Work $=$ force $\times$ displacement $\times \cos \theta$
2. Kinetic Energy $=0.5 \times m \times v^2$
3. Potential Energy $=m \times g \times h$
4. Total Mechanical Energy = Kinetic Energy + Potential Energy
5. Power $=$ work done/time taken
Electric Charge and Fields Formulas:
1. Electric Field $=$ force per unit charge $=\frac{F}{Q}$
2. Coulomb's Law: $F=\frac{k \times\left(q_1 \times q_2\right)}{r^2}$
3. Energy of electric dipole: $U=-\rho E$
4. Energy of a magnetic dipole: $U=-\mu B C$
5. Electric Charge: $Q= \pm n e$
6. Electrostatic Force $(\mathrm{F})=k\left[\frac{q_1 q_2}{r_2}\right]$
7. The current at Time $t: i=\lim _{\Delta t \rightarrow 0} \frac{\Delta Q}{\Delta t}=\frac{d Q}{d T}$
8. Law of Conservation of Charge: $I_3=I_1+I_2$
9. Resistivity : $\rho(T)=\rho\left(T_0\right)\left[1+\alpha\left(T-T_0\right)\right]$
10. Lorentz Force : $\vec{F}=q[\vec{E}+(\vec{v} \times \vec{B})]$
11. Magnetic Flux through Area $d S=\varphi=\vec{B} \cdot d \vec{S}=B \cdot d S \cos \theta$
Projectile Equation of Motion:
1. Horizontal Range $(R)=\frac{u^2 \sin 2 \theta}{g}$
2. Time of Flight $(T)=\frac{2 u \sin \theta}{g}$
3. Maximum Height $(H)=\frac{u^2 \sin 2 \theta}{2}$
Laws of Gravity
1. Gravitational force $\vec{F}=G\left[\frac{M m}{r^2}\right]^r$
2. Work Done by Constant Force: $W=\vec{F} \cdot \vec{S}=|\vec{F}||\vec{S}| \cos \theta$
3. Simple Harmonic Motion: Force $(F)=-k x$ and $k=\omega^2 m$
4. Torque: $M=r \times F$
Experts have compiled a list of important formulas for JEE Mains Physics to make the preparation easy for aspirants. Candidates preparing for the JEE Main exam should remember all the major formulas.
With these formulas, also try to solve JEE Main Chapter Wise PYQs and also go through these JEE Main- Top 30 Most Repeated Questions & Topics
Preparation tips for JEE Mains
Given below are some tips to help you prepare for JEE Main and score good marks in the exam:
1. First, students need to understand the Syllabus and Exam Pattern so that they can refer to the JEE Main syllabus from the official website.
2. Try to identify the important and high-weightage topics and prepare according to that.
3. Create an effective study plan according to your preparation level. Divide your preparation into monthly, weekly, and daily targets and allocate more time to difficult subjects or topics.
4. Students must focus on conceptual clarity; they must understand the logic and derivations behind every formula.
5. Try to solve questions regularly. Solve previous years' JEE Main question papers and attempt mock tests and sample papers regularly.
Tips to Learn Physics Formulas for JEE Main 2026
Students find it difficult to learn formulas for JEE Main, but with the right approach, they can remember. Given below are some points to remember:
1. Students must try to understand why a formula works. For example, derivations in Physics or Maths often follow a logical pattern.
2. Then break down formulas into chapters or topics.
3. To learn these formulas easily, try to make a formula notebook.
4. Sometimes students must try to make Mnemonics and short tricks, as it helps in quick revision.
5. Try to solve as many questions and revise
6. Try to use diagrams and flowcharts.
Frequently Asked Questions (FAQs)
Q: Which chapter has more weightage in Physics in the JEE Main Exam?
A:
Current electricity, optics, and Properties of solids have more weightage in Physics JEE Main.
Q: How many questions of Physics are in the JEE Main Exam?
A:
In the JEE Main Exam, there are 25 questions of physics out of which 20 questions in section A will be MCQ and 5 questions in section B will be questions with numerical value answers.
Q: What is the formula in physics which relates speed, distance traveled and time taken by the body to travel that distance?
A:
Speed= (distance) / (time)
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On Question asked by student community
Have a question related to JEE Main ?
Hello aspirant,
If your syllabus is completed with theory , use the next 30 days only for smart revision . Make short notes and revise formulas daily for Physics , Chemistry and Maths . Solve previous year JEE Main questions topic-wise and then full mock tests every 3-4 days. Analyse mistakes properly and revise weak areas again . Avoid new topics and focus on accuracy , speed and confidence building during revision.
FOR REFERENCE : https://engineering.careers360.com/articles/jee-main-revision-strategy
Hope the details will help you.
THANK YOU
Preparing for the JEE Main in just 30 days is a challenging but achievable task if you follow a highly disciplined and strategic approach. According to the Careers360 30-day study plan , the key is to shift your focus from learning everything to mastering high-weightage topics and practicing rigorously.
Phase 1: Week 1 & 2 – Focus on High-Weightage Chapters
During the first 15 days, prioritize topics that frequently appear in the exam.
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Physics: Modern Physics, Heat & Thermodynamics, Optics, and Current Electricity.
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Chemistry: GOC (General Organic Chemistry), Chemical Bonding, p-Block elements, and Solutions.
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Maths: Matrices & Determinants, Sequences & Series, Coordinate Geometry, and Vector & 3D Geometry.
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Study Strategy: Use NCERT for Chemistry and simplified notes for Physics/Maths. Spend 3-4 hours on each subject daily.
Phase 2: Week 3 – Revision and Formula Memorization
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Short Notes: Go through the short notes you made during the first two weeks.
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Flashcards: Use flashcards for inorganic chemistry reactions and physics formulas.
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Mock Tests: Start giving one full-length mock test every alternate day. Analyze your mistakes immediately to avoid repeating them.
Phase 3: Final Week – Full Simulation and Relaxation
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Previous Year Papers (PYQs): Solve the last 3-5 years of JEE Main papers in the actual exam time slot (9 AM–12 PM or 3 PM–6 PM) to sync your body clock.
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No New Topics: Stop picking up new chapters. Focus solely on what you already know to build confidence.
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Accuracy over Speed: Focus on getting the questions right rather than attempting all of them, as negative marking can significantly lower your percentile.
Downloadable Resources:
You can download the comprehensive day-by-day schedule, which includes specific topics to cover each morning and evening, by visiting the link : https://engineering.careers360.com/download/ebooks/jee-main-study-plan-30-days
Hello
I think your question sounds like this: "Can a candidate who passed Class 12 in 2025 and filled JEE Main Session 1 apply for Session 2 as 'Appearing' in 2026 as a fresh board candidate, and will both sessions have the same details? "
So yes, you can fill the JEE Main Session 2 as "Appearing". The information filled in Session 1 will remain exactly as it was and will not change.
Session 1 and Session 2 are treated as separate applications. There is no issue if the qualifying status is different in both sessions. During counselling, the board marks that meet the 75 rule will be considered.
Hello,
If you filled the JEE Main January form with Class 12 passed in 2025 and are planning to appear again for the Class 12 exam through HOS, there is usually no serious issue. You were eligible to apply since you had already passed Class 12. Reappearing through HOS for improvement or requalification is allowed, provided HOS is a recognized board. During counselling, your latest valid Class 12 result will be considered. Make sure you meet the 75% marks or top 20 percentile requirement where applicable. If a correction window opens, update details if needed.
Hope this has solved your query. Thank You.
Good Evening,
Yes, you are eligible for both JEE Mains and Advanced, as you completed your 12th with physics, chemistry and biology. Moreover, you passed mathematics in 2025, which makes you fit the eligibility criteria of both exams.
Aspirant, I would like to inform you that Careers360 recently launched a free mock test series for JEE students. The last date of registration is 8th January, 2026. Enroll and solve chapter wise question papers and improve you concept and assess your learning. The link to the mock test series is attached herewith. https://learn.careers360.com/test-series-jee-main-free-mock-test/
Best regards.
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