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education.decodee on Instagram: "- The Instagram post by @IlhomAkbar13 demonstrates an experiment on light behavior through different lenses, using a laser to show how light refracts and reflects based on lens shape, aligning with principles of optics where light's path changes due to the lens's curvature and material, as described by Snell's Law (n₁sinθ₁ = n₂sinθ₂). - The sequence of images illustrates various lens types (e.g., convex, concave) and their effects on light, such as convergence or

Mukul Rathi on Instagram: "Day 265/365 of sharing my teaching practises Topic : Refraction at zero angle of incidence .Snell’s law remains valid even at zero degrees incidence. In this case, the ray does not bend, yet refraction still occurs due to the change in speed of light across media, not merely because of angular deviation. A remarkable mathematical insight appears in the air–water case: applying Snell’s law at 0° leads to the indeterminate form 0 ÷ 0, which resolves elegantly to the refr