As you prepare for JEE 2025, revising important formulas is crucial to performing well in the exam. The JEE syllabus covers a vast array of topics in Physics, Chemistry, and Mathematics, and being well-versed in the key formulas will save you time and help you tackle problems with confidence. In this guide, we’ve compiled the most important formulas across all subjects to ensure you are well-prepared and can approach your JEE exam with a clear advantage.
JEE Exam 2025: Chemistry Formula
1. The radius of a nucleus: R=R0 (A)1/3 cm
2. Planck’s Quantum theory: energy of one photon = hv =hc/λ
3. Principal quantum number (n)=1,2,3,4…to ∞
4. Orbital angular momentum of electron in any orbit = nh/2
5. Density: Specific gravity = density of the substance / density of water at 4 °C
6. Calculation of individual oxidation number:
Formula: Oxidation Number = number of electrons in the valence shell - number of electrons left after bonding.
7. 
8. 
To download the complete PDF for the Chemistry Formula, click on the link below and access the full formula to revise.
JEE Exam 2025: Chemistry Formula PDF
JEE Exam 2025: Physics Formula
Measurement of any physical quantity is in terms of an internationally accepted certain basics standard called unit.
Fundamental units:
| S.No. | Physical Quantity | SI Unit | Symbol |
|---|---|---|---|
| 1 | Length | Metre | m |
| 2 | Mass | Kilogram | kg |
| 3 | Time | Second | s |
| 4 | Electric current | Ampere | A |
| 5 | Temperature | Kelvin | K |
| 6 | Luminous intensity | Candela | Cd |
| 7 | Amount of substance | Mole | mol |
Supplementary units:
| S.No. | Physical Quantity | SI Unit | Symbol |
|---|---|---|---|
| 1 | Plane angle | Radian | R |
| 2 | Solid angle | Steradian | Sr |
Metric prefixes:
| S.No. | Prefix | Symbol | Value |
|---|---|---|---|
| 1 | Centi | c | 10⁻² |
| 2 | Milli | m | 10⁻³ |
| 3 | Micro | µ | 10⁻⁶ |
| 4 | Nano | n | 10⁻⁹ |
| 5 | Pico | p | 10⁻¹² |
| 6 | Kilo | K | 10³ |
| 7 | Mega | M | 10⁶ |
To download the complete PDF for the Chemistry Formula, click on the link below and access the full formula to revise.
| JEE Exam 2025: Physics Formula PDF |
JEE Exam 2025: Maths Formula
1.
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3. 
4. Area of the triangle formed by the pair of the tangents & its chord of contact= RL3 /R2+ L2
5. Equationof the circle circumscribing the triangle PT1T2 is: ( x - x1 )( x + g ) + ( y - y1 )( y + f ) = 0
6. Equationof standard parabola: y2 = 4ax vertex is (0,0), focus is (a,0),
Directrix is x+a=0 and Axis is y=0. Length of the latus rectum= 4a, ends of the latus rectum are L(a,2a) &
L’(a,-2a).
7. Auxiliary Circle:x2 + y2 = a2
8. Rectangularor equilateral hyperbola: xy = c2 , eccentricity is √2
9. Quadratic Equation : ax2 + bx + c = 0, a ≠ 0
To download the complete PDF for the Chemistry Formula, click on the link below and access the full formula to revise.
| JEE Exam 2025: Maths Formula PDF |
JEE Exam 2025 Last Minute Preparation Tips
- Don’t Learn New Topics: Focus on revising what you already know instead of learning new concepts.
- Focus on Speed and Accuracy: Practice solving questions quickly without compromising on accuracy.
- Stay Hydrated and Eat Well: Keep your energy levels up by drinking water and eating healthy meals.
- Avoid Stress: Stay calm, trust your preparation, and maintain a positive attitude.
Check out complete prepration tips for JEE Exam 2025 Last Minute Preparation Tips for 7 days before your JEE exam. Focus on revising core concepts, taking mock tests, and staying calm.
Also Check: List of Top 10 JEE Coaching Institutеs in India
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