JEE Main Important Topics 2026 include the important formulas for Physics, Chemistry, and Maths. JEE Main 2026 syllabus is released by the NTA. JEE Main 2026 will be conducted twice this year i.e. January and April. You will have ample time to prepare for the examination by practising the JEE main important topics and referring to JEE main previous year question papers.

Revision is extremely important for JEE Main important topics and formulas. Topic-wise important formulas should be regularly practised by candidates to improve efficiency and speed before the exam. Find the JEE Main Previous Year Question Papers.

You need to have study notes ready for JEE Main which streamlines your JEE Main preparations. Mathematics, Physics, and Chemistry syllabus will be the same for all JEE Main papers including B. Arch and B. Planning papers. Read the article to know the subject-wise JEE Main important formulas.

Ques. Is the Physics section same in all JEE Main papers?

Ques. What will be the advantages of Multiple Sessions in JEE (Main)- 2026?

Ques. Whether NTA has changed the syllabus of JEE (Main)-2026 Session 2?

JEE Main 2026 Physics Important Formulas

As per the analysis of previous year exam trends, Physics is considered to be a tough section for the candidates. You must carefully go through the JEE Main Physics Syllabus. Below are some important formulas of Physics for JEE Main that will help your preparation for the Physics section.

• The energy of electric dipole is given by U = – p.E.
• The energy of a magnetic dipole is U = – μ .B C.
• Electric Charge : Q = ± ne (e = 1.60218 × 10-29 C)
• SI unit of Electric Charge is Coulomb (C)
• Coulomb’s Law : Electrostatic Force (F) = k[q1q2/r2] and,
• In Vector Form :
  • →F=k(q1q2)×→r/r3
    • Where, q1 and q2 = Charges on the Particle,
    • r = Separation between them,
    • →r = Position Vector,
    • k = Constant = 14πϵ0=8.98755×109Nm2C2
• Electric Current :
  • The current at Time t : i=limΔt→0 ΔQ/Δt= dQ/dT
    • Where Δ Q and Δ T = Charges crosses an Area in time Δ T
    • SI unit of Current is Ampere (A) and 1A = 1 C/s
• Average current density:
  • →j=Δi/Δs
  • j=limΔs→0 Δi/Δs=di/dS ,
  • j=Δi/ΔScosθ
    • Where, Δ S = Small Area,
    • Δ i = Current through the Area Δ S,
    • P = Perpendicular to the flow of Charges,
    • θ = Angle Between the normal to the Area and the direction of the current.
• Kirchhoff’s Law:
  • Law of Conservation of Charge: I3 = I1 + I2

Resistance

• Resistivity : ρ(T)=ρ(T0)[1+α(T−T0)]
  • R (T) =R (T0) [1+α (T−T0)]
    • Where, ρ (T) and ρ (T0) = Resistivity at Temperature T and T0 respectively,
    • α = Constant for given material.

• Lorentz Force :
  • →F=q[→E+(→v×→B)]
    • Where, E = Electric Field,
    • B = Magnetic Field,
    • q = Charge of Particle,
    • v = Velocity of Particle.
• Magnetic Flux:
  • Magnetic Flux through Area dS = ϕ=→B⋅d → S= B⋅dS Cos θ
    • Where, d→S = Perpendicular vector to the surface and has a magnitude equal to are Ds,
    • →B = Magnetic Field at an element,
    • θ = Angle Between →B and d→S,
    • SI unit of Magnetic Flux is Weber (Wb).
• Straight line Equation of Motion (Constant Acceleration):
  • v=u+at
  • s=ut+1/2at2
  • 2as=v2−u2
• Gravitational Acceleration Equation of Motion:
  • Motion in Upward Direction:
    • v= u-gt
    • y=ut−1/2gt2
    • −2gy=v2−u2
  • Motion in Downward Direction:
    • v=u+gt
    • y=ut+1/2gt2
    • 2gy=v2−u2
• Projectile Equation of Motion:
  • Horizontal Range (R) = u2sin2θ/ g
  • Time of Flight (T) = 2uSinθ/ g
  • Maximum Height (H) = u2sin2θ/ 2
  • Where,
    • u = initial velocity,
    • v = final velocity,
    • a = constant acceleration,
    • t = time,
    • x = position of particle.

Laws of Gravity

• Universal Law of Gravitation:
  • Gravitational force →F=G[Mm/r2]^r
  • Where, M and m = Mass of two Objects,
    • r = separation between the objects,
    • ^r = unit vector joining two objects,
    • G = Universal Gravitational Constant
      • [G=6.67×10−11N⋅m2/Kg2]
• Work Done by Constant Force:
  • Work Done (W) = →F⋅→S=∣→F∣ ∣→S∣ cosθ,
    • Where, S = Displacement along a straight line,
    • F = applied force,
    • θ = Angle between S & F.
  • It is a scalar quantity and the Dimension of work is [M1 L2 T-2], SI unit of Work is the joule (J) and 1J=1N⋅m=Kg⋅m2/ s2
• Kinetic Friction:
  • fk = µk · N
  • Maximum Static Friction (Limiting Friction): fmax = µs · N,
    • Where, N = Normal Force,
    • µk = Coefficient of Kinetic Friction,
    • µs = Coefficient of Static Friction.
• Simple Harmonic Motion:
  • Force (F) = – k x and k = ω2 m
    • Where, k = Force Constant,
    • m = Mass of the Particle,
    • x = Displacement and ω2 = Positive Constant.
• Torque: The torque or vector moment or moment vector (M) of a force (F) about a point (P) is defined as:
  • M = r×F
  • Where, r is the vector from the point P to any point A on the line of action L of F.

Speed Formula-

• Tips of Speed- 

1. S.I. unit → or meters per second.
2. Dimensions=
3. Speed is a scalar quantity.

• E.g: A body covers a distance of 18m in 1 sec

Using the formula of speed.

JEE Main 2026 Chemistry Important Formulas

As per the analysis of previous year exam trends, Chemistry is considered to be an easy to moderately difficult section for the candidates. You must carefully go through the JEE Main Chemistry Syllabus. Below are some important formulas of Chemistry for JEE Main that will help your preparation for the Chemistry section.

• T(K)= T(⁰C) + 273.15
• Molarity (M)= No. of Moles of Solutes/ Volume of Solution in Liters
• Unit: mole/ L
• Molality (m)=
  • No. of Moles of Solutes/ Mass of solvent in kg
• Molecular Mass= 2x vapor density
• Atomic number=
  • No. of protons in the nucleus = No. of electrons in the nucleus
• Mass number=
  • No. of protons + No. of neutrons C= vλ
• Boyle’s Law:
  • P1V1 = P2V2 (at constant T and n)
• Charles’s Law:
  • V1/ T1 = V2/ T2 (at constant P and n)
• Enthalpy:
  • H = U + pV
• First Law of Thermodynamics:
  • ΔU = q + W
• Ohm’s Law:
  • V = RI where, R = ρ ι/a

Faraday’s Laws

• Faraday’s First Law of Electrolysis:
  • M = Zit
    • M = mass of substance deposited
    • Z= Electrochemical Equivalent
    • I = current,
    • t= time
    • Z= Atomic Mass/ n x F
• Faraday’s Second Law of Electrolysis:
  • M1/ M2 = E1/E2 ,
    • Where E = equivalent weight
• Freundlich Adsorption Isotherm:
  • [x/m]-Kp (1/n); n>=1
• General Electronic Configuration:
  • ns1-2

JEE Main Mathematics 2026 Important Formulas

As per the analysis of previous year exam trends, Mathematics section is considered to be of moderatele to hard level of difficulty for the candidates. You must carefully go through the JEE Main Mathematics Syllabus. Below are some important formulas of Mathematics for JEE Main that will help your preparation for the Mathematics section.

The general form of Complex numbers x + i where ‘x’ is Real part and ‘i’ is an Imaginary part.

• Sum of nth root of unity is zero
• Product of nth root of unity (–1)n–1
• Cube roots of unity are 1, ω, ω2
  • |z1+z2|<=|z1|+|z2|; |z1+z2|>=|z1|-|z2|; |z1-z2|>=|z1|-|z2|
• If three complex numbers z1, z2, z3 are collinear then,
  • [z1 z1 1
  • z2 z2 1
  • z3 z3 1] = 0

• If ΣCosα = ΣSinα = 0, ΣCos2α = ΣSin2α = 0,
• ΣCos2nα = ΣSin2nα = 0,
• ΣCos2α = ΣSin2α = 3/2
• ΣCos3α = 3Cos(α + β + γ),
• ΣSin3α = 3Sin(α + β + γ)
• ΣCos(2α – β – γ) = 3,
• ΣSin(2α – β – γ) = 0,
• a^3 + b^3 + c^3 – 3abc = (a + b + c) (a + bω + cω^2) (a + bω^2 + cω)

Standard form of Quadratic equation

• ax^2 + bx + c = 0
• Sum of roots = -b/a,
• Product of roots discriminate = b^2 – 4ac
• If α, β are roots then Quadratic equation is x^2 – x(α + β) + αβ = 0
• Number of terms in the expansion: (x+a)n is n+1
  • Any three non coplanar vectors are linearly independent
• A system of vectors ā1, ā2,….ān are said to be linearly dependent,
  • If there, x1ā1+x2ā2+….+xnan=0
  • At least one of xi ≠0, i=1, 2, 3….n
  • And determinant = 0
• a,b,c are coplanar then [abc]=0
• If i,j,k are unit vectors then [i j k] = 1
• If a,b,c are vectors then [a+b, b+c, c+a] = 2[abc]
• (1 + x)n – 1 is divisible by x and (1 + x)n – nx –1 is divisible by x2
• If nCr-1, nCr, nCr+1 are in A.P, then (n–2r)2 = n + 2

Integration Important Formulas for JEE Main

1. ∫xn dx = \frac{x^{n+1}}{n+1}+cn+1xn+1+c , n ≠ -1
2. \int \frac{1}{x}\: dx = \log_{e}\left | x \right |+c∫x1dx=loge∣x∣+c
3. ∫ex dx = ex+c
4. ∫ax dx = \frac{a^{x}}{\log_{e}a}+clogeaax+c
5. ∫ sin x dx = -cos x + c
6. ∫ cos x dx = sin x + c
7. ∫ sec2 x dx = tan x + c
8. ∫ cosec2 x dx = -cot x + c
9. ∫ sec x tan x dx = sec x + c
10. ∫ cosec x cot x dx = – cosec x + c
11. ∫ cot x dx = \log \left | \sin x \right |+clog∣sinx∣+c
12. ∫ tan x dx = -\log \left | \\cos \: x \right |+c−log∣cosx∣+c
13. ∫ sec x dx = log \left | \\sec \: x + tan \: x\right |+c∣secx+tanx∣+c
14. ∫ cosec x dx = log \left | \\cosec \: x – \cot \: x\right |+c∣cosecx–cotx∣+c
15. \int \frac{1}{\sqrt{a^{2}-x^{2}}} \; dx = \sin ^{-1}(\frac{x}{a})+c∫a2−x21dx=sin−1(ax)+c
16. \int -\frac{1}{\sqrt{a^{2}-x^{2}}} \; dx = \cos ^{-1}(\frac{x}{a})+c∫−a2−x21dx=cos−1(ax)+c
17. \int \frac{1}{{a^{2}+x^{2}}} \; dx = \frac{1}{a}\tan ^{-1}(\frac{x}{a})+c∫a2+x21dx=a1tan−1(ax)+c
18. \int -\frac{1}{{a^{2}+x^{2}}} \; dx = \frac{1}{a}\cot ^{-1}(\frac{x}{a})+c∫−a2+x21dx=a1cot−1(ax)+c
19. \int \frac{1}{x\sqrt{x^{2}-a^{2}}}\; dx = \frac{1}{a}\sec ^{-1}(\frac{x}{a})+c∫xx2−a21dx=a1sec−1(ax)+c
20. \int -\frac{1}{x\sqrt{x^{2}-a^{2}}}\; dx = \frac{1}{a}\: cosec ^{-1}\left ( \frac{x}{a} \right )+c∫−xx2−a21dx=a1cosec−1(ax)+c

JEE Main Important Formulas Practise and Tips

JEE Main 2026 will be organised twice a year. In order to find more in-depth important formulas for JEE Main, students can always refer to handbooks. Handbooks/Formula books are short formula books for all the major topics of each section. JEE Main 2026 important formulas have been mentioned in the previous sections, and they have to be paired with regular preparation so that you are ready for the exam. You should also refer to the NCERT books of class 11th and 12th and also other good books for JEE preparation if time permits.

JEE Main Important Formula Handbooks Download

The number of candidates who fill JEE Main Application Form increases every year. You can download PDFs of various sample papers and study material for JEE Main. Given below are some free formula handbook PDFs for download.

Physics Formula Handbook-Download PDF

Chemistry Formula Handbook-Download PDF

Maths Formula Handbook-Download PDF