The speed of a light ray changes from 3 x 10^8 m/s in air to 2 x 10^8 m/s in a transparent solid. What will be the refractive index of the solid relative to air? (Take the refractive index of air as 1.)

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) 1.2
2. (B) 1.4
3. (C) 1.7
4. (D) 1.5

Verified Answer

Option (D): 1.5

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