Question

to explain the process of refraction we need to know about a constant called ___ which is the property of a transparent medium​

Answer 1

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When light travels from one medium to another, the speed changes, as does the wavelength. The index of refraction can also be stated in terms of wavelength: Although the speed changes and wavelength changes, the frequency of the light will be constant.

Answer 2

Answer:

${\huge{\rm{\underline{\underline{Refractive Index}}}}}$

Explanation: