Study Notes
All Subjects Class 10 Notes
Chapter-wise Class 11 and 12 physics, chemistry, maths and biology notes from Narayan Gurukul Academy, Mohali — real formulas rendered properly, exam pointers, and worked numericals for CBSE, JEE and NEET. All notes are free to read and download, no signup required. New chapters are added regularly.
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30 notes in all subjects, Class 10
Showing 1–24 of 30. Free to read and download — updated with new chapters every few weeks.
Trigonometric Identities Class 10 Maths Notes
Trigonometric identities Class 10 Maths notes for 2024-25: the proof of sin²A + cos²A = 1 from a right triangle, its rearrangements, and how to use it to evaluate expressions and find missing ratios.
Triangles Class 10 Maths Notes
Triangles Class 10 Maths notes for the 2024-25 rationalised syllabus: similar triangles, the Basic Proportionality Theorem and its converse, and the three similarity criteria with worked examples.
Surface Areas and Volumes Class 10 Maths Notes
Surface areas and volumes Class 10 notes: CSA and TSA for cube, cuboid, sphere, hemisphere, cylinder and cone, the two-solid combinations rule, and worked numericals.
Statistics Class 10 Maths Notes
Statistics Class 10 notes for 2024-25: mean by the direct method, median from the cumulative frequency column, and mode by the empirical relation, with every symbol defined.
Some Applications of Trigonometry Class 10 Maths Notes
Heights and distances Class 10 Maths notes for 2024-25: angle of elevation and angle of depression, why they reverse, the two-triangle method, and fully worked problems solved to exact answers.
Real Numbers Class 10 Maths Notes
Real numbers Class 10 notes: rational and irrational numbers, the Fundamental Theorem of Arithmetic, and complete proofs that √2, √3 and √5 are irrational.
Quadratic Equations Class 10 Maths Notes
Quadratic equations Class 10 notes: solving ax² + bx + c = 0 by factorisation and by the quadratic formula, the discriminant and the nature of roots, and day-to-day problems.
Probability Class 10 Maths Notes
Probability Class 10 notes for 2024-25: the classical definition, P(E) as favourable over total, impossible and certain events, and worked die, coin, card and slip problems.
Polynomials Class 10 Maths Notes
Polynomials Class 10 notes: the degree of a polynomial, what a zero means on the graph, zeros of a quadratic by factorisation, and zeros versus coefficients.
Pair of Linear Equations Class 10 Maths Notes
Pair of linear equations Class 10 notes: the graphical method, consistency of a pair, the conditions for zero, one or many solutions, substitution and elimination.
Introduction to Trigonometry Class 10 Maths Notes
Introduction to trigonometry Class 10 Maths notes for 2024-25: the six ratios with the opposite, adjacent and hypotenuse convention, values at 0° and 90°, the 30-45-60 table, and how to pick a ratio.
Coordinate Geometry Class 10 Maths Notes
Coordinate geometry Class 10 Maths notes for 2024-25: graphs of linear equations, the distance formula with worked examples, and the section formula for internal division.
Circles Class 10 Maths Notes
Circle class 10 maths notes for 2024-25: what a tangent is, tangent-radius perpendicularity, equal tangents from an external point, and the standard numerical.
Arithmetic Progressions Class 10 Maths Notes
Arithmetic progressions Class 10 notes: common difference, the nth term, both forms of the sum of the first n terms, and daily-life applications with solved answers.
Areas Related to Circles Class 10 Maths Notes
Areas related to circles Class 10 notes: circumference, area, sector and segment areas, combinations of plane figures, and fully worked numericals using π = 22/7.
Class 10 Maths Notes
CBSE Class 10 Mathematics notes for the 2024-25 rationalised syllabus: all 15 assessed chapters, unit-wise marks, the formulas that carry the paper, and every topic the rationalisation deleted.
Class 10 Science Notes
CBSE Class 10 Science notes for the 2024-25 rationalised syllabus: all 13 assessed chapters, chapter-wise explanations, formulas and exam pointers, plus the practicals list.
The Human Eye and Colourful World Class 10 Notes
Class 10 Science notes on the human eye, accommodation, myopia, hypermetropia and presbyopia, their corrections, and the applications of spherical mirrors and lenses.
Our Environment Class 10 Notes
Class 10 Science notes on ecosystems, food chains and the 10% law, environmental problems, ozone depletion, waste production and biodegradable substances.
Metals and Non-Metals Class 10 Notes
Metals and non-metals Class 10 notes: physical and chemical properties, the reactivity series, ionic compounds and their properties, the steps of metallurgy, and corrosion and its prevention.
Magnetic Effects of Electric Current Class 10 Notes
Class 10 Science notes on the magnetic field of a current, field lines, solenoids, Fleming's left hand rule, direct and alternating current, and domestic electric circuits.
Light Reflection and Refraction Class 10 Notes
Class 10 Science notes on Light: spherical mirrors, image formation, mirror formula, laws of refraction, refractive index, lenses, power and dispersion of light.
Life Processes Class 10 Notes
Life processes Class 10 notes: the characteristics of living beings, and nutrition, respiration, transport and excretion in plants and animals, compared side by side for the board exam.
How do Organisms Reproduce Class 10 Notes
Complete Class 10 Science notes on reproduction: asexual modes, sexual reproduction in plants and humans, fertilisation, family planning, reproductive health and HIV/AIDS prevention.
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