Wavefronts Through Optical Devices Rotational Motion Explore Huygens’ construction and ray behavior as wavefronts pass through lenses, mirrors, and obstacles. Mahesh Kurmi WhatsApp Facebook X Email
Rayleigh Criterion and Lens Resolution Wave Optics Visualize diffraction’s Airy pattern and apply Rayleigh’s criterion to discover a lens’s resolution limit. Mahesh Kurmi WhatsApp Facebook X Email
Fermat's Principle of Least Time Ray Optics Watch light race through mirrors, lenses and adjustable media to reveal Fermat’s least‑time path in optics. Mahesh Kurmi WhatsApp Facebook X Email
Polarisation 2D – Malus’ Law Explorer Wave Optics Explore how polarising filters change light intensity, test Malus’ law, and see the third‑polaroid effect. Mahesh Kurmi WhatsApp Facebook X Email
Find Circle Center Using Two Chords Circles Drag the chord endpoints to see how the perpendicular bisectors intersect at the circle’s true center. Mahesh Kurmi WhatsApp Facebook X Email
Circle Through Three Points Construction Construct a circle through three non‑collinear points by drawing the bisectors and finding the intersection. Mahesh Kurmi WhatsApp Facebook X Email
Huygens' Principle Proof of the Law of Reflection Wave Optics Interactive proof of the law of reflection via Huygens’ principle, with sliders for incidence angle and time. Mahesh Kurmi WhatsApp Facebook X Email
Huygens' Principle: Wavefront Construction Wave Optics Explore Huygens' principle by building wavefronts from wavelets, adjusting source distance and number of… Mahesh Kurmi WhatsApp Facebook X Email
Coherent Sources and Fringe Formation Wave Optics Explore interference of two sources, varying separation and distance to see bright and dark optical fringes. Mahesh Kurmi WhatsApp Facebook X Email
Resonance Demonstration Waves & Oscillations Explore standing wave formation and resonance in a rope with free or fixed ends using interactive steps. Mahesh Kurmi WhatsApp Facebook X Email
Natural Frequency Waves & Oscillations Explore how objects vibrate at their natural frequencies, from springs to tuning forks, glasses, and rods. Mahesh Kurmi WhatsApp Facebook X Email
Two Sound Sources Interference Waves & Oscillations Explore interference and beats from two speakers by adjusting frequency, separation, and microphone location. Mahesh Kurmi WhatsApp Facebook X Email