Study Notes
Class 11 & 12 Notes — written for boards and entrance exams, chapter by chapter.
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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206 notes
Showing 145–168 of 206. Free to read and download — updated with new chapters every few weeks.
Ray Optics and Optical Instruments Class 12 Physics Notes
Ray Optics and Optical Instruments — Class 12 Physics notes: mark-wise board questions, solved NCERT numericals, JEE/NEET examples, key formulas and a mock test.
Electromagnetic Waves Class 12 Notes
Class 12 Physics Electromagnetic Waves notes: displacement current, Maxwell's equations, properties of EM waves, energy and the EM spectrum — with key formulas for CBSE, JEE and NEET.
Alternating Current Class 12 Physics Notes
Class 12 Physics Alternating Current notes: RMS value, LCR circuits, impedance, resonance, power and power factor, LC oscillations — with key formulas and solved JEE/NEET examples.
Electromagnetic Induction Class 12 Physics Notes
Class 12 Physics Electromagnetic Induction notes: Faraday's law, Lenz's law, motional EMF, self and mutual inductance, transformer — with key formulas and solved JEE/NEET examples.
Magnetism and Matter Class 12 Physics Notes
Class 12 Physics Magnetism and Matter notes: magnetic dipoles, bar magnet, magnetic materials, dia/para/ferromagnetism and Earth's magnetism — with key formulas and solved JEE/NEET examples.
Moving Charges and Magnetism Class 12 Physics Notes
Class 12 Physics Moving Charges and Magnetism notes: Lorentz force, Biot-Savart law, Ampere's law, solenoid, galvanometer and cyclotron — with key formulas and solved JEE/NEET examples.
Current Electricity Class 12 Physics Notes
Free Current Electricity Class 12 Physics notes PDF: Ohm's law, resistance and resistivity, drift velocity, series–parallel combinations, Kirchhoff's laws, Wheatstone and metre bridge, cells and internal resistance, ammeter and voltmeter, and the potentiometer — with mark-wise question banks, solved examples and mock tests for CBSE, JEE & NEET. No signup required.
Electrostatic Potential and Capacitance Class 12 Physics Notes
Class 12 Physics Electrostatic Potential and Capacitance notes: potential, equipotential surfaces, capacitors, dielectrics and energy stored — with key formulas and solved JEE/NEET examples.
Electric Charges and Fields Class 12 Notes
Electric Charges and Fields — Class 12 Physics notes: mark-wise board questions, solved NCERT numericals, JEE/NEET examples, key formulas and a mock test.
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.
Waves Class 11 Physics Notes — Free PDF, Formulas & 40 MCQs
Class 11 Physics Waves notes — free PDF, no signup. Wave motion, speed of sound, standing waves, beats & Doppler effect with formulas, solved numericals & MCQs.
Oscillations Class 11 Physics Notes
Class 11 Physics Oscillations notes: SHM, spring and pendulum, energy in SHM, damped and forced oscillations, resonance — with key formulas and solved JEE/NEET examples.
Kinetic Theory Class 11 Physics Notes — Free PDF, Formulas & MCQs
Class 11 Physics Kinetic Theory notes — free PDF, no signup. Gas assumptions, RMS speed, degrees of freedom & specific heat with formulas, solved MCQs.
Thermodynamics Class 11 Physics Notes — Free PDF, Formulas & MCQs
Class 11 Physics Thermodynamics notes — free PDF, no signup. First & second law, heat engines, specific heats with formulas, solved numericals & MCQs.
Thermal Properties of Matter Class 11 Physics Notes
Class 11 Physics Thermal Properties of Matter notes: heat and temperature scales, thermal expansion of solids and liquids, calorimetry and specific heat, change of state and latent heat, heat transfer by conduction, convection and radiation, and the Stefan-Boltzmann law — with key formulas and solved CBSE/JEE/NEET examples.
Mechanical Properties of Fluids Class 11 Physics Notes
Class 11 Physics Mechanical Properties of Fluids notes: pressure and its variation with depth, Pascal's law, Archimedes' principle, streamline and turbulent flow, Bernoulli's principle, viscosity and surface tension — with key formulas and solved CBSE/JEE/NEET examples.
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