Light Reflection light reflection is when the light bounces of an object and the surface is smooth and shiny. the light would reflect on the same object.
Spectrum of colours spectrum of colour is where a normal human makes single wavelengths and is a visible light of spectrum
Refraction the fact or phenomenon of light and radio waves
Light Particles The photon is a type of elementary particles , the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
Spectrum of Light light spectrum can mean the visible spectrum , the range of wavelengths of electromagnetic radiation which our eyes are sensitive to.