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Download or Study free, exam-ready Mathematics and Physics notes for JEE, NEET, Olympiad, and CSIR — concise, concept-first revision material.

Good notes save hours of revision time — these are built for exactly that. Every note set here condenses a full topic into clear, exam-focused material you can revise from quickly without re-watching entire video lectures.

The topics in this section

The various topics discussed here are as in this image below.

Notes - mathsnscience.com

As above in this section the material on the various topics is discussed to clear the concepts for various examinations in main subjects Mathematics and Physics. For example, topics of Physics cover examination syllabus of Physics Olympiad, JEE and CBSE and NEET. Similarly for main Mathematics the examination topics of Mathematics Olympiad, JEE Maths, CBSE Maths.

The contents in this section can be accessed from this section from main menu. The written notes / articles contents is supported by videos made by the same IITian running this website.

New notes are added regularly as new video lessons are published. Check the tags on each note to filter by subject and exam.

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Mathematics

13 lessons

Notes & Articles 10

BSc Maths
Article · October 30, 2026 · 39 min study

Exponential Equations | Quadratic Functions | Algebra – Can you solve it?

In this article we will be solving exponential equations with embedded quadratic function. A quadratic function…

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BSc Maths
Article · October 23, 2026 · 22 min study

Greatest Integer Function | Quadratic equation -1

Here a totally different quadratic function is solved where greatest integers functions are used. In this…

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BSc Maths
Article · October 16, 2026 · 20 min study

Cramer’s Rule – Formula , Examples | JEE Maths, CBSE Maths, Maths Honours-1

Learn Cramer's Rule for JEE Maths, CBSE Maths, B.Sc. Maths, Maths Honors with step-by-step examples,…

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IOQM
Article · October 11, 2026 · 31 min study

Diophantine Equations – Can you solve this?-1

Learn Diophantine equations step by step: how to find integer solutions, with worked examples on linear…

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BSc Maths
Article · October 10, 2026 · 35 min study

Solving Exponential Equations (JEE , Olympiad Maths)-1

Solving Exponential Equations - logarithmic function, logarithmic equation, Algebra

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IOQM
Article · October 8, 2026 · 22 min study

Stirling Approximation : Solve a^11+b^11=11!

Can a¹¹ + b¹¹ = 11! have integer solutions? We use Stirling's approximation to estimate 11!,…

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IOQM
Article · October 6, 2026 · 35 min study

Chinese Remainder Theorem

The Chinese Remainder Theorem is very important in Number Theory for examinations such as IOQM, RMO…

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IOQM
Article · October 5, 2026 · 22 min study

Lambert W Function – Impossible math equation?

Many problems which looked impossible have been solved using the Lambert W Function. Here we solve…

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IOQM
Article · September 27, 2026 · 28 min study

NUMBER THEORY Problem – Last 4 Digits

Number Theory is the most important topic while preparing for Mathematics Olympiad. Here we provide guidance…

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BSc Maths
Article · September 26, 2026 · 5 min read

calculus 1

Calculus 1 lays down a path for course contents being taken up under the course calculus.…

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Video Lessons 3

Physics

11 lessons

Notes & Articles 11

BSc Physics
Article · October 19, 2026 · 5 min read

Kirchoff Law – KCL and KVL | Current and Electricty-1

Kirchoff law, Kirchoff Current Law (KCL), and Kirchoff Voltage Law (KVL) are discussed in this section…

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BSc Physics
Article · October 18, 2026 · 6 min read

Quantum Mechanics – Newtonian Mechanics Comparison

Quantum mechanics differs from Newtonian Mechanics in various aspects. These differences between the Quantum Mechanics and…

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BSc Physics
Article · October 13, 2026 · 43 min study

Bohr Model Hydrogen Atom: Energy Transitions from Balmer Series to Lyman Series

Bohr Model Hydrogen Atom is a very important topic in Modern Physics. In this article…

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BSc Physics
Article · October 12, 2026 · 25 min study

Special Relativity- Calculating Momentum from Relativistic Kinetic Energy

Special Relativity -Mass-Energy Equivalence, Relativistic Kinetic Energy, Momentum conservation,Special theory of Relativity mentioned in Einstein Relativity.

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BSc Physics
Article · October 11, 2026 · 5 min read

Semiconductor-1

Semiconductors form the foundation of modern electronics, powering everything from smartphones to solar panels. For Class…

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BSc Physics
Article · October 5, 2026 · 29 min study

Angular Momentum Formula – Solved Example

In this post on the angular momentum formula, some solved examples are provided for a better…

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JEE Physics
Article · October 4, 2026 · 32 min study

Bernoulli’s Equation -2 ( Practice Problems )

Here in this second part of the Bernoulli’s Equation, we discuss the Bernoulli effect and the…

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JEE Physics
Article · October 4, 2026 · 19 min study

Bernoulli’s equation -1

Here in this post we will be discussing about the Bernoulli principle, the Bernoulli effect. Bernoulli’s…

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Physics
Article · September 22, 2026 · 24 min study

Simple Pendulum- Subjected to 2 accelerations ?

Let us analyze the Simple Pendulum Time period and mean position when subjected to both horizontal…

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BSc Physics
Article · September 21, 2026 · 30 min study

Angular Momentum

There are basically two levels of studying physics. In the first level we understand the behavior…

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JEE Physics
Article · September 21, 2026 · 7 min read

Units and Measurements in physics – 1

Units & measurements in Physics is the first topic to be understood well before going forward…

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