The optical path of a monochromatic light is same if it goes through 2.00cm of glass or x cm of ruby. If the refractive index of glass is 1.510 and that of ruby is 1.760 find the value of x in cm.
Answer (1)
31st Mar, 2020
Hello,
Optical Path of monochromatic light = μt
Given μ1 = 1.510, t1 = 2 cm
μ2 = 1.760, t2 = X cm
Since Optical Path is same, μ1 x t1 = μ2 x t2
1.510 x 2 = 1.760 x X
3.02 = 1.760 x X
3.02 / 1.760 = X
1.7159 = X
1.716 cm = X (After Roundoff)
Therefore, The Optical path of a monochromatic light is same if it goes through 2 cm of glass or 1.7159 cm of ruby
Hope this was helpful.
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