When a light wave enters into a medium of different refractive index,
A)only its speed and frequency change.
B)only its speed and wavelength change.
C)only its frequency and wavelength change.
D)its speed,frequency,and wavelength change.

Question

Quizplus · Accepted Answer

When a light wave enters a medium of different refractive index, its speed and wavelength change, but its frequency remains constant because frequency is determined by the source of the light and does not change when light enters a different medium.

When a Light Wave Enters into a Medium of Different