Study Notes
All Subjects Class 12 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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83 notes in all subjects, Class 12
Showing 49–72 of 83. Free to read and download — updated with new chapters every few weeks.
Atoms Class 12 Notes (Modern Physics)
Class 12 Physics Atoms notes: Rutherford and Bohr models, energy levels, hydrogen spectra and de Broglie wavelength — with key formulas and solved JEE/NEET examples for modern physics.
Dual Nature of Radiation and Matter Class 12 Notes
Class 12 Physics Dual Nature of Radiation and Matter notes: photoelectric effect, Einstein's equation, stopping potential, de Broglie wavelength and Davisson-Germer — with key formulas for CBSE, JEE and NEET.
Wave Optics Class 12 Notes
Class 12 Physics Wave Optics notes: Huygens principle, interference, Young's double-slit experiment, diffraction and polarisation — with key formulas and solved JEE/NEET examples.
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.
Class 12 Physics Notes (Chapter-Wise for CBSE, JEE & NEET)
Complete Class 12 Physics notes chapter-wise: electric charges, potential, current electricity, magnetism, EMI, AC, ray and wave optics, and modern physics (atoms, nuclei, photoelectric effect, semiconductors) — key formulas, FAQs and solved examples for CBSE, JEE and NEET.
Class 12 Maths Notes (Chapter-Wise for CBSE & JEE)
Complete Class 12 Maths notes chapter-wise in NCERT order: relations and functions, inverse trigonometric functions, matrices and determinants, continuity and differentiability, application of derivatives, integrals, application of integrals, differential equations, vector algebra, three dimensional geometry, linear programming and probability — key formulas for CBSE boards and JEE.
Class 12 Chemistry Notes (Chapter-Wise for CBSE, JEE & NEET)
Complete Class 12 Chemistry notes chapter-wise: solid state, solutions, electrochemistry, kinetics, organic and inorganic chemistry — key formulas, FAQs and solved examples for CBSE, JEE and NEET.
Class 12 Physics Notes In Hindi — कक्षा 12 भौतिक विज्ञान नोट्स हिंदी
Class 12 Physics Notes in Hindi — कक्षा 12 भौतिक विज्ञान के NCERT अध्यायवार नोट्स हिंदी में: विद्युत आवेश, धारा, चुम्बकत्व, वैद्युतचुम्बकीय प्रेरण, प्रत्यावर्ती धारा, प्रकाशिकी, परमाणु व अर्धचालक — सूत्रों के साथ CBSE, Bihar, UP बोर्ड व JEE/NEET के लिए।
Class 12 Chemistry Notes In Hindi — कक्षा 12 रसायन विज्ञान नोट्स हिंदी
Class 12 Chemistry Notes in Hindi — कक्षा 12 रसायन विज्ञान के NCERT अध्यायवार नोट्स हिंदी में: विलयन, वैद्युतरसायन, रासायनिक बलगतिकी, d- व f-ब्लॉक तत्त्व, उपसहसंयोजन यौगिक, ऐमीन, जैव-अणु — सूत्रों के साथ CBSE, Bihar, UP बोर्ड व NEET/JEE के लिए।
Class 12 Biology Notes (Chapter-Wise for CBSE & NEET)
Complete Class 12 Biology notes chapter-wise in NCERT order: reproduction, genetics and evolution, human health and disease, microbes, biotechnology, organisms and populations, ecosystem, and biodiversity and conservation — key points for CBSE boards and NEET.
Biodiversity and Conservation Class 12 Notes
Biodiversity and conservation class 12 notes: types of diversity, patterns, hotspots, threats, and in situ and ex situ conservation for CBSE and NEET.
Ecosystem Class 12 Notes
Ecosystem class 12 notes: productivity (GPP, NPP), energy flow and the 10% law, ecological pyramids, decomposition, nutrient cycles and succession for CBSE and NEET.
Organisms and Populations Class 12 Notes
Organisms and populations class 12 notes: abiotic factors, adaptations, population attributes, exponential and logistic growth, and species interactions for CBSE and NEET.
Biotechnology and Its Applications Class 12 Notes
Biotechnology and its applications class 12 notes: Bt crops, recombinant insulin, gene therapy, molecular diagnosis, transgenic animals and bioethics for CBSE and NEET.
Biotechnology: Principles and Processes Class 12 Notes
Biotechnology Principles and Processes Class 12 notes: genetic engineering tools, restriction enzymes, vectors, PCR, gel electrophoresis, transformation and bioreactors for CBSE and NEET.
Microbes in Human Welfare Class 12 Notes
Microbes in Human Welfare Class 12 notes: role of microbes in household products, industrial production, sewage treatment, biogas, biocontrol and biofertilisers for CBSE and NEET.
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