In physical optics, light is considered to propagate as a ⎽⎽⎽⎽⎽⎽⎽⎽.
- light
In physical optics, light is considered to propagate as a wave. - lens
The light then passes through the lens, which focuses the light further and allows adjustment of focus. - optics
In physical optics, light is considered to propagate as a wave. - wave
Correct!