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Technical Glossary Fresnel Equation for Reflection

[Fresnel Equation for Reflection]

When light is perpendicularly incident on the interface of media of refractive indices n and n’, the intensity of the reflected light I can be expressed in terms of the intensity of the incident light I0.
 I = I0*((n-n’)I(n+n’))² (Fresnel Equation for Reflection)
It can be inferred from this equation that little reflection occurs when light travels through the interface of two media with similar refractive indices.

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