Tap to Read ➤

Important Formulas for JEE Mains

Start your JEE Main journey with confidence! You will get all the core formulas from Newton's Laws of Motion to chemical reactions here.
Physics Important Formulas
1: The energy of an electric dipole is given by U = – p.E.
2: The energy of a magnetic dipole is U = – μ .B C.
3: Electric Charge : Q = ± ne (e = 1.60218 × 10-29 C)
Physics Important Section
1: Work Done (W) = →F⋅→S=∣→F∣ ∣→S∣ cosθ,
2: Where, S = Displacement along a straight line,
3: F = applied force,
4: θ = Angle between S & F.
5: 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
Chemistry Important Formulas
1: (K)= T(⁰C) + 273.15
2: Molarity (M)= No. of Moles of Solutes/ Volume of Solution in Liters
3: Unit: mole/ L
4: Molecular Mass= 2x vapor density
Chemistry Important Section
1: M = Zit
2: M = mass of substance deposited
3: Z= Electrochemical Equivalent
4: I = current,
5: t= time
6: Z= Atomic Mass/ n x F
Mathematics Important Formulas
1: Sum of nth root of unity is zero
2: Product of nth root of unity (–1)n–1
3: If ΣCosα = ΣSinα = 0, ΣCos2α = ΣSin2α = 0, 4: ΣCos2nα = ΣSin2nα = 0,
Mathematics Important Section
1: ax^2 + bx + c = 0
2: Sum of roots = -b/a,
3: Product of roots discriminate = b^2 – 4ac 4: If α, β are roots then Quadratic equation is x^2 – x(α + β) + αβ = 0