Umar Farooq

Hi, I'm Umar

I write the guides you'll find across Physics Optics. My goal is simple: explain how light actually behaves — reflection, refraction, diffraction, interference, lenses, lasers, and fiber optics — without hand-waving, and without burying the idea under jargon.

Every article I publish starts from a picture you already own and builds up to the real physics, one step at a time. If a concept needs a worked example or a diagram to click, it gets one. I'd rather a page take longer to write than leave you with a definition you can't use.

What I Write About

• Light fundamentals: what light is, its energy, and its core properties.
• Reflection & refraction: why light bends and bounces, Snell's law, mirrors, and total internal reflection.
• Lenses & instruments: convex and concave lenses, ray diagrams, microscopes, and telescopes.
• Wave & quantum optics: diffraction, interference, polarization, and the photon picture of light.
• Applications: lasers, fiber optics, rainbows, mirages, and the optics behind everyday technology.

How I Work

Physics is a subject where the details matter, so every article is researched, checked, and written to be something you can rely on. I avoid clickbait and filler and focus on explanations that help you understand — and remember — how light works. If you ever spot an error, I genuinely want to hear about it.