search
Q: When light enters the denser medium through the rare medium, …….
  • A. Its speed decreases first then increases
  • B. its speed increases
  • C. its speed decreases
  • D. its speed remains the same
Correct Answer: Option C - When light enters the denser medium through the rare medium, its speed decreases.
C. When light enters the denser medium through the rare medium, its speed decreases.

Explanations:

When light enters the denser medium through the rare medium, its speed decreases.