Light travels through a glass plate of thickness t and refractive index u. If c is the speed of light in vacuum, the time taken by light to travel this thickness of glass is
Hrishant Goswami , 12 Years ago
Grade 10
IIT JEE Entrance Exam> thickness-of-glass...
2 AnswersNavjyot Kalra
(d)
Total thickness = t; Refrative index = m
Speed of light in Glass plate=c/u
Spandana
A):d
N(refractive index)=c/v
1/n=v/c
V=c/n
Time taken by light to travel the thickness of the glass plate =distance/velocity
=t/c/u
=ut/c.
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