Reflection of light

principle

The angle of incidence equals the angle of reflection.

Where it is used

• Mirror — is used in. A mirror reflects light.
• Optical disc (CD/DVD) — is used in. Reflection from the pits.
• Dish antenna — is used in. A paraboloid focuses the waves.
• Reflecting telescope — is used in. A mirror causes no chromatic aberration.
• Periscope — is used in. Reflection.
• Sextant — is used in. Double reflection brings the celestial body and the horizon together.
• Aluminium foil — is used in. It reflects heat radiation.
• Retroreflector — is used in. A corner-cube prism.
• Kaleidoscope — is used in. Multiple reflection.
• Stealth technology — is used in. Facets reflect waves off to the side.
• Photometer — is used in. Brightness is judged from reflected light.
• Endoscope — is used in. A mirror directs the light of a candle.
• Otoscope — is used in. A small mirror directs the light.
• Headlight — is used in. A reflector gathers the light into a beam.
• Rear-view mirror — is used in. It reflects the road behind.

Open Evothings