PLEASE CLARIFY ...........
Asked by mesourav | 25th Jul, 2009, 05:56: PM
Refractive index n = speed of light in vacuum (c) / speed of light in medium (v)
and v = distance (s) / time (t)
Given: n = 1.5; s = 340 mm = 0.34 m; c = 3 x 108 m/s; t = ?
1.5 = 3 x 108 x t / 0.34
t = 1.5 x 0.34 / 3 x 108
t = 1.7 ns
Answered by | 27th Jul, 2009, 03:15: PM
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