Applications of Total Internal Reflection and Dispersion of Light
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Total internal reflection (TIR) is utilized in optical fibres, which are thin glass strands that guide light. These fibres enable high-speed internet by transmitting data as light pulses, allow doctors to view inside patients with endoscopes, and can be used in decorative lighting. Light entering an optical fibre undergoes TIR, remaining trapped even when bent. This technology facilitates quick and cost-effective long-distance communication. Additionally, prisms are vital in instruments like periscopes, binoculars, telescopes, and cameras. Dispersion occurs when white light passes through a prism, splitting into its spectrum of colors: violet, indigo, blue, green, yellow, orange, and red.