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
Diffraction of Light at a Single Slit Wave Optics Explore how slit width, wavelength, and distance affect the Fraunhofer diffraction pattern of a laser beam. Simphy WhatsApp Facebook X Email
Young's Double‑Slit Experiment Wave Optics Observe interference and diffraction from a laser through adjustable slits onto a screen and photon behavior. Simphy WhatsApp Facebook X Email
Ohm’s Law: Series Cells with Nichrome Wire Current Electricity Add 1‑4 cells with a nichrome wire, close the key and read the ammeter and voltmeter to confirm V = I·R. Surbhi WhatsApp Facebook X Email
Current Through Different Circuit Components Current Electricity Watch how a nichrome wire, a torch bulb, and a 10 W bulb change the ammeter reading in a four‑cell circuit. Surbhi WhatsApp Facebook X Email
Potential Difference Across Resistors in Series Current Electricity Explore how a circuit’s total voltage equals the sum of resistor voltages using a battery and voltmeter. Surbhi 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
Nitrite Ion Test Suite Practical Chemistry Explore nitrite ion tests, seeing colour changes, gas evolution, and redox reactions in a virtual lab. SimPhy 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