When light enters glass from air, its wavelength generally

Options

  • A. Increases
  • B. Decreases
  • C. Remains unchanged
  • D. Becomes infinite
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Decreases

Detailed Explanation

Frequency remains constant while speed decreases in glass, so wavelength decreases according to v = fλ.