^Reflection of light

^Reflection of light

1. Most of the light on striking a denser boundary comes back in same medium.
2. There is a phase change of π if reflection takes place from a denser medium.
3. Frequency, wavelength & speed of the light all remains the same.
4. Intensity and hence, amplitude (I ∝ A²) usually ↓ es due to absorption at the boundary.