As a ray of light enters a glass slab from air, which of its properties changes?

Please wait…

1. As a ray of light enters a glass slab from air, which of its properties changes?

Only its frequency

Both frequency and velocity

Frequency stays unchanged, but velocity and wavelength both change

Frequency and wavelength change, but velocity stays unchanged

 Loading…

 

A light wave’s frequency is fixed by its source and never changes across a medium boundary. Its velocity and wavelength, however, both change as it enters a new medium.