When light enter from one medium to another medium which quantity constant
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Explanation:
refractive index 1/ refractive index 2 = speed of light in media 2/ speed of light in media 1 = sinR/sinI
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- The frequency does not change even when waves transverse from one medium to the other. So when a wave enters a denser medium, it slows down, thus the velocity is reduced. Next the waves come nearer i.e the wavelength is decreased at last leaving just the frequency, all other quantities are changed.
- According to Snell's law, when light enter from one medium to another medium the ratio of angle of incidence and angle of refraction remains constant
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