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13. The speed of light in a material is calculated by dividing the speed of light in a vacuum by the index of refraction in the material.

Calculate the speed of light in water which has a refraction rate of 1.33. Showing your work is not necessary.

14. The speed of light in a material is calculated by dividing the speed of light in a vacuum by the index of refraction in the material.

Calculate the speed of light in glass which has a refraction rate of 1.50

Showing your work is not necessary.


Respuesta :

MathPhys

Answer:

Explanation:

The speed of light in a vacuum is approximately 3×10⁸ m/s.

In water with η=1.33:

v = (3×10⁸ m/s) / 1.33

v = 2.26×10⁸ m/s

In glass with η=1.50:

v = (3×10⁸ m/s) / 1.50

v = 2.00×10⁸ m/s

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