Light refraction can be used in analyzing a beam of white light into its components of different wavelengths due to the difference of the absolute refractive index according to the wavelength of the incident...
Light is an essential form of energy, The Sun is the most important source of light energy, It is the main natural source, It gives us heat and light, and it provides the green...
The electric current can be used to generate a magnetic effect (magnetic field) or magnetism can be generated by electricity, There is a relation between magnetism and electricity, where the electric current has a...
Magnetism is the ability of the magnet to attract magnetic materials, 2000 years ago, the ancient Greeks found a type of black rock located in an area named Magnesia, This type of rock has...
