Total Internal Reflection _ GCSE Physics

The video explains how optical fibers transmit information using visible light and total internal reflection. It describes the conditions necessary for total internal reflection, including the critical angle and refractive index. The video also provides examples of applications, such as broadband communication and keyhole surgery, highlighting the importance of optical fibers in modern technology.

What is the principle that allows optical fibers to carry information?

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Explain how total internal reflection occurs in optical fibers.

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What factors determine the occurrence of total internal reflection?

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What is the significance of the critical angle in the context of optical fibers?

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How does the angle of incidence affect the amount of light that is internally reflected?

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