Science, asked by omkarparshuram82, 5 months ago

When light passes through glass slab
then

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Answered by Anonymous

1

Explanation:

When a ray of light enters a glass slab from air then its speed decreases as it encounters a dense medium. Since to conserve energy (which is dependent solely on frequency), the frequency must remain constant, the wavelength of light changes. Wavelength is decreased by a factor called refractive index of the medium.

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