Tag: FAQ NEET JEE optics
-
Lighting an LED With Static Charge: Electric Circuit
LED glowing between two hands during a static electricity experiment
-
Dispersion of Light: How I Made a Rainbow with a Garden Hose
water droplets splits into VIBGYOR colors, rainbow is created. demonstrating dispersion of light
-
Lens Maker’s Formula: Why Your Grandpa’s New Glasses Are So Much Thinner
Introduction Students often ask me why their parents’ or grandparents’ old spectacles look like the bottom of a soda bottle, while a brand-new pair with the same power sits flat and light on the nose. It isn’t magic, and it isn’t a different eye problem — it’s one formula quietly doing its job at the…