The first law of refraction states that the incident rays, refracted rays, and the normal to the interface at the point of incidence, all lie in the same plane. The ratio of the sine of the angle of ...

Light bends when travelling through a concentration gradient of sugar in water. The top layer of liquid is pure water while the bottom layer is concentrated sugar water. In these layers, there is no ...

Optics in Physics: Optics is a fascinating branch of Physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or ...