What happens to light when it enters a slower medium in terms of refraction?

What happens to light when it enters a slower medium in terms of refraction?

• A. Speed changes; bends toward the normal when entering a slower medium; away when entering a faster medium
• B. Speed remains the same; no bending
• C. Light slows when entering faster medium and bends away from the normal
• D. Wavelength increases in all media

Answer: (A)