Question

If a wave gets refracted into a denser medium, then which of the following is true?

• A. wavelength speed and frequency decreases.
• B. wavelength increases, speed decreases and frequency remains constant.
• C. wavelength and speed decreases but frequency remains constant.
• D. wavelength, speed and frequency increases.

Answer 1

Answer: (C)

Correct answer is (c) wavelength and speed decreases but frequency remains constant.