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Calculate the time taken by light to travel 1cm thickness of glass of u =1.5

Calculate the time taken by light to travel 1cm thickness of glass of u =1.5

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
576-2295_2.PNG
Vikas TU
14149 Points
one year ago

Simply put, the speed of light in your glass is about = 2*10^ 8 m/s.

Thus, a distance of s = 1 m in this glass will be covered by the photon in:

t = s/v = 5*10^-9 s = 5 ns.

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