Which of the following does not change when a wave travels from one medium to another medium?

Question

Which of the following does not change when a wave travels from one medium to another medium? (A) Wavelength (B) Frequency (C) Velocity (D) Amplitude

Tardigrade Admin · Accepted Answer

When wave passes from one medium to another refraction occurs. At the boundary between the media, the waves phase velocity is altered, it changes direction and its wavelength increases or decreases but its frequency remains unaltered.

Q. Which of the following does not change when a wave travels from one medium to another medium?

Wavelength

Frequency

Velocity

Amplitude

When wave passes from one medium to another refraction occurs. At the boundary between the media, the waves phase velocity is altered, it changes direction and its wavelength increases or decreases but its frequency remains unaltered.