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The time required for light to pass through a glass slab of 2 mm thickness is (µglass = 1.5) |
10-8 s 10-6 s 10-11 s None of these |
10-11 s |
$t=\frac{d}{V}=\frac{d}{c / \mu}=\frac{d . \mu}{c}=\frac{2 \times 10^{-3} \times 1.5}{3 \times 10^8} sec=10^{-11} sec$ |
