GKFix MCQ Question

If the refractive index of glass is 1.5, what is the speed of light in glass?

• A. 3 × 10⁸ m/s
• B. 2 × 10⁸ m/s
• C. 1.5 × 10⁸ m/s
• D. 4.5 × 10⁸ m/s