A ray of light incident normally on a glass slab of refractive index 3/2, travels a distance of 6 cm in glass in time that what will be the distance traveled by the ray in the same time it) if it travels in Air?
A
3cm
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B
6cm
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C
9cm
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D
3√3
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Solution
The correct option is C9cm Hence, option (C) is correct answer.