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What is the speed of light in water? In glycerine?

$v_{w}=2.25 \times 10^{8} \mathrm{m} / \mathrm{s}$ and $v_{g}=2.04 \times 10^{1} 0^{8} \mathrm{m} / \mathrm{s}$

Physics 103

Chapter 25

Geometric Optics

Reflection and Refraction of Light

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speed off light speed off light in a medium is given by refractive index off a medium. Is it cool to the speed of light in Iraq? U N c Divided by speed off light in that medium, um, for the water. So first for water. So the speed of light in the water is given by, uh, we we w speed off light for water of the speed of light in the vacuum divided by the fact in its off water. So the speed of light in the record we have is a three time student power eight divided by reflecting the support of 1.33 three meter per second. Here, this gives us 2.25 times 10 to the power eight meter per second. This is the speed off the light in the water. So, in a glycerin e, so lie screen. Similarly, the lost the off speed off lighting a glycerin G skin by speed of light in record, divided by the fact index off the price of me. Cincy Valley we have is three times center power eight. You ready by reflecting. Next off a blushing is 1.473 deriding these numbers he uses too important 04 times 10 to the power, eight meters per second Oh, stories per second.

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