Q82 / 270 · NDA 2011 (Phase 1) · General Ability

Light travels slower in glass than in air because:

Correct answer
A
refractive index of air is less than that of glass.
B
refractive index of air is greater than that of glass.
C
density of glass is greater than that of air.
D
density of glass is less than that of air.

Solution

The correct answer is option (A).

Hence, the correct answer is option: 'A'.

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