All Subjects Class 11 Notes

Probability Class 11 Notes

Probability class 11 notes: random experiments, sample space, events, axioms, complementary events, addition theorem and mutually exclusive events — with solved examples for CBSE and JEE.

Statistics Class 11 Notes

Statistics class 11 notes: range, mean deviation, variance, standard deviation, short-cut method, combined mean and coefficient of variation — with solved examples for CBSE, JEE and NEET.

Limits and Derivatives Class 11 Notes

Limits and derivatives class 11 notes: limits, continuity, derivative from first principle, algebra of derivatives and standard derivatives — with key formulas for CBSE, JEE and NEET.

Three Dimensional Geometry Class 11 Notes

Class 11 Maths Three Dimensional Geometry notes: coordinate axes and planes, distance formula, section formula, direction cosines and ratios, and angle between two lines — with key formulas for CBSE and JEE.

Conic Sections Class 11 Notes

Class 11 Maths Conic Sections notes: circle, parabola, ellipse and hyperbola — standard equations, focus, directrix, eccentricity and latus rectum — with key formulas for CBSE and JEE.

Straight Lines Class 11 Maths Notes

Free Straight Lines Class 11 Maths notes PDF: slope of a line, conditions for parallel and perpendicular lines, all forms of the equation of a line, angle between two lines, and distance formulas — with mark-wise question banks, solved examples and mock tests for CBSE, JEE & NEET. No signup required.

Sequences and Series Class 11 Notes

Class 11 Maths Sequences and Series notes: arithmetic and geometric progressions, nth term and sum formulas, AM and GM, sum of special series — with key formulas for CBSE, JEE and NEET.

Binomial Theorem Class 11 Notes

Class 11 Maths Binomial Theorem notes: binomial expansion, general term, middle term, properties of binomial coefficients, Pascal's triangle and applications — with key formulas for CBSE, JEE and NEET.

Permutations and Combinations Class 11 Notes

Class 11 Maths Permutations and Combinations notes: fundamental principle of counting, factorial, permutations, combinations, nPr and nCr, circular permutations and identical objects — with key formulas for CBSE, JEE and NEET.

Linear Inequalities Class 11 Notes

Class 11 Maths Linear Inequalities notes: solving linear inequalities in one and two variables, rules for manipulation, absolute-value inequalities, graphical solution of systems — with key formulas for CBSE, JEE and NEET.

Complex Numbers Class 11 Notes

Complex numbers class 11 notes from NCERT Chapter 4: the imaginary unit i, operations on complex numbers, conjugate and modulus, the Argand plane, polar form and cube roots of unity — with key formulas and solved examples for CBSE, JEE and NEET.

Trigonometric Functions Class 11 Notes

Trigonometric functions class 11 notes from NCERT Chapter 3: degree–radian conversion, the six ratios, compound, double and half-angle formulas, trigonometric equations and the sine and cosine rules — with key formulas and solved examples for CBSE, JEE and NEET.

Relations and Functions Class 11 Notes

Relations and functions class 11 notes from NCERT Chapter 2: Cartesian products, domain, codomain and range, types of functions, real functions like modulus and greatest integer, and algebra of functions — with formulas and solved examples for CBSE, JEE and NEET.

Sets Class 11 Notes

Sets class 11 notes from NCERT Chapter 1: roster and set-builder representation, types of sets, subsets, power sets, union, intersection, complement and Venn diagrams — with cardinality formulas and solved examples for CBSE, JEE and NEET.

Hydrocarbons Class 11 Notes

Class 11 Chemistry Hydrocarbons notes: alkanes, alkenes and alkynes — preparation, properties and reactions, Markovnikov's rule, aromatic hydrocarbons, benzene and Huckel's rule — for CBSE, JEE and NEET.

Organic Chemistry Class 11 Notes

Class 11 Chemistry Organic Chemistry notes: catenation, tetravalency, IUPAC naming, functional groups, isomerism, hybridisation, electron displacement effects, reaction intermediates and types of organic reactions — for CBSE, JEE and NEET.

Redox Reactions Class 11 Notes

Class 11 Chemistry Redox Reactions notes: oxidation and reduction, oxidation number rules, balancing redox equations, types of redox reactions, electrochemical cells and the Nernst equation — with key formulas and solved examples for CBSE, JEE and NEET.

Equilibrium Class 11 Notes

Class 11 Chemistry Equilibrium notes: chemical and ionic equilibrium, law of mass action, Kc and Kp, Le Chatelier's principle, pH, buffers, solubility product — with key formulas and solved examples for CBSE, JEE and NEET.

Thermodynamics Class 11 Chemistry Notes — Free PDF, Formulas & MCQs

Class 11 Chemistry Thermodynamics notes — free PDF, no signup. First law, enthalpy, Hess's law, entropy & Gibbs energy with formulas, solved numericals & MCQs.

Chemical Bonding Class 11 Notes

Class 11 Chemistry Chemical Bonding and Molecular Structure notes: ionic and covalent bonds, Lewis structures, VSEPR theory, hybridisation, bond order and bond parameters — with key formulas and solved examples for CBSE, JEE and NEET.

Classification of Elements Class 11 Notes

Class 11 Chemistry Classification of Elements and Periodicity in Properties notes: Mendeleev's and Moseley's periodic law, s p d f blocks, groups and periods, trends in atomic radius, ionisation enthalpy, electronegativity — for CBSE, JEE and NEET.

Structure of Atom Class 11 Notes

Class 11 Chemistry Structure of Atom notes: subatomic particles, Bohr's model, quantum numbers, electronic configuration (Aufbau, Pauli, Hund), de Broglie and Heisenberg uncertainty — with formulas and solved examples for CBSE, JEE and NEET.

Some Basic Concepts of Chemistry Class 11 Notes

Class 11 Chemistry Some Basic Concepts notes: mole concept, stoichiometry, molarity, percentage composition, limiting reagent and laws of chemical combination — with key formulas and solved JEE/NEET examples.