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Wave Optics

December 14, 2025• Category: Uncategorized • Views: 9

Focus: Nature of light, interference, Young’s double slit experiment, diffraction, polarisation (JEE Main). 1) Nature of Light Light is an electromagnetic...

Optical Instruments

December 14, 2025• Category: Uncategorized • Views: 11

Focus: Simple microscope, compound microscope, astronomical telescope, terrestrial telescope and Galilean telescope (JEE Main level). 1) Simple Microscope...

Ray Optics

December 14, 2025• Category: Uncategorized • Views: 10

Topics covered: Reflection, refraction, plane and spherical mirrors, total internal reflection, prisms, lenses and combinations (JEE Main focus). 1) Nature of...

Electromagnetic Waves (EM Waves)

December 14, 2025• Category: Uncategorized • Views: 13

Topics covered: Maxwell’s equations, nature of electromagnetic waves, energy and momentum of EM waves, production of EM waves, electromagnetic spectrum (JEE...

Alternating Current (AC)

December 14, 2025• Category: Uncategorized • Views: 10

Focus: AC basics, RMS and mean values, reactance, impedance, LCR circuits, power, resonance, choke coil (JEE Main). 1) Alternating Current & Voltage...

EMI (Electromagnetic Induction)

December 14, 2025• Category: Uncategorized • Views: 15

Magnetic Flux Magnetic flux through a small area dA in a magnetic field B: dϕ = B · dA = B dA cosθ Flux depends on angle θ: θ = 90° ⇒ ϕ = 0 (surface...

Magnetic Effects of Current & Magnetism

December 14, 2025• Category: Uncategorized • Views: 9

Topics covered: Magnetic field due to currents, Biot–Savart law, Lorentz force, motion of charged particles, Ampere’s law, force on current-carrying...

Current Electricity

December 14, 2025• Category: Uncategorized • Views: 5

Focus: Electric current, drift velocity, resistance, Kirchhoff’s laws, heating effect, and chemical effects of current (JEE Main). 1) Electric Current...

Capacitors

December 14, 2025• Category: Uncategorized • Views: 13

Topics covered: Capacitance, parallel plate capacitor, spherical and cylindrical capacitors, grouping of capacitors, RC circuits, energy stored, dielectrics....

Electrostatics (Electric Field & Potential)

December 14, 2025• Category: Uncategorized • Views: 8

Topics covered: Electric charge, Coulomb’s law, electric field, Gauss’s law, dipole, electric potential and equipotential surfaces (JEE Main focus). 1....