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CUET PG Important Formulas 2026: Subject‑Wise List for Quick Revision

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• Updated on 5 Jan, 2026, 6:36 PM, by Ishita Tanwar

CUET PG Important Formulas 2026: Subject‑Wise List for Quick Revision

Aspiring candidates preparing for CUET PG 2026 must master key formulas to tackle numerical and conceptual questions across subjects like Mathematics, Physics, and Chemistry. A well‑organised formula list aids quick problem‑solving and improved accuracy under exam conditions. This article provides a concise yet comprehensive list of important CUET PG formulas for revision, helping candidates prioritise high‑utility equations before the exam.

 

Why CUET PG Formulas Matter for 2026 Exam?

Formula‑based questions are common in the CUET PG 2026 exam, especially in Mathematics, Physics, and sections of Chemistry. Knowing correct formulas helps candidates:

  • Save time on complex calculations
  • Reduce errors in numerical questions
  • Recognise question patterns quicklyEffective formula revision boosts confidence and exam performance.

 

CUET PG Mathematics Important Formulas

These formulas are frequently tested in algebra, calculus, and statistics.

 

Algebra

Topic

Formula

Quadratic Equation

( ax^2 + bx + c = 0 )

Roots

( x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} )

Sum of Roots

( \alpha + \beta = -\frac{b}{a} )

Product of Roots

( \alpha \beta = \frac{c}{a} )

(n)th term of AP

( a_n = a + (n - 1)d )

Sum of (n) terms of AP

( S_n = \frac{n}{2}[2a + (n - 1)d] )

 

Calculus & Statistics

Topic

Formula

Limit (sin x/x)

( \lim_{x\to0}\frac{\sin x}{x} = 1 )

Derivative of (x^n)

( \frac{d}{dx}(x^n) = nx^{n-1} )

Mean (Arithmetic)

( \bar{x} = \frac{1}{n}\sum x_i )

Variance

( \sigma^2 = \frac{1}{n}\sum (x_i - \bar{x})^2 )

These formulas form the core foundations for solving numerical questions.

 

CUET PG Physics Important Formulas

Physics questions span multiple units from mechanics to modern physics.

 

Mechanics & Motion

Concept

Formula

Newton’s Second Law

( \vec{F} = m\vec{a} )

Gravitational Force

( F = \frac{GMm}{r^2} )

Kinetic Energy

( K = \frac{1}{2}mv^2 )

 

Waves & Optics

Concept

Formula

Simple Harmonic Motion

( x = A\sin(\omega t + \phi) )

Wave Speed

( v = \nu \lambda )

Lens Formula

( \frac{1}{f} = \frac{1}{v} + \frac{1}{u} )

 

Electricity & Magnetism

Concept

Formula

Coulomb’s Law

( F = \frac{1}{4\pi\varepsilon_0}\frac{q_1q_2}{r^2} )

Lorentz Force

( \vec{F} = q(\vec{E} + \vec{v}\times\vec{B}) )

Impedance (LCR)

( Z = \sqrt{R^2 + (\omega L - \frac{1}{\omega C})^2} )

 

Thermodynamics & Modern Physics

Concept

Formula

Ideal Gas Law

( PV = nRT )

Mass–Energy Relation

( E = mc^2 )

de Broglie Wavelength

( \lambda = \frac{h}{p} )

These formulas help answer many physics numerical and conceptual questions.

 

CUET PG Chemistry Important Formulas

Chemistry formulas cover physical chemistry, ionic equilibria, and kinetics.

 

Gaseous State & Solutions

Concept

Formula

Ideal Gas Equation

( PV = nRT )

Raoult’s Law

( P = X_A P^0_A )

Elevation of Boiling Point

( \Delta T_b = K_bm )

 

Chemical Kinetics & Thermodynamics

Concept

Formula

First Order Rate Law

( \ln\left(\frac{[A]_0}{[A]}\right)=kt )

Gibbs Free Energy

( G = H - TS )

Enthalpy

( H = U + PV )

 

Electrochemistry & Surface Chemistry

Concept

Formula

Nernst Equation

( E = E^0 - \frac{0.0591}{n}\log Q )

Langmuir Isotherm

( \frac{1}{V} = \frac{1}{V_m} + \frac{1}{KV_mP} )

These formulas are crucial for solving CUET PG questions in chemistry.

 

CUET PG Formula Sheet for Final Revision

A formula sheet summarises the most tested equations across subjects:

  • Mathematics: Algebra, Calculus, Statistics
  • Physics: Mechanics, Waves, Electricity
  • Chemistry: Physical Chemistry, Thermodynamics
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