5
(a) Define absolute refractive index of an optical medium.
(b)
begin{tabular}{|c|c|}
hline Material Medium & Refractive Index
hline A & 1.50
hline B & 1.46
hline C & 1.31
hline D & 1.77
hline
end{tabular}
Arrange these material mediums given in the table in increasing order of speed of light through them.
(b)
begin{tabular}{|c|c|}
hline Material Medium & Refractive Index
hline A & 1.50
hline B & 1.46
hline C & 1.31
hline D & 1.77
hline
end{tabular}
Arrange these material mediums given in the table in increasing order of speed of light through them.
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(a) Absolute refractive index of a medium is the ratio of speed of light in air to the speed of light in the given medium / Refractive index of a medium with respect to air / $n = \frac{c}{v}$ (1 Mark)
(b) $V_D < V_A < V_B < V_C$ (1 Mark)
(b) $V_D < V_A < V_B < V_C$ (1 Mark)