dual nature of electromagnetic waves travel in a vacuum

An electromagnetic wave is a disturbance, which does not require any material medium for its propagation and can travel even through vacuum. They are caused due to varying electric and magnetic fields. Radio waves and light waves are exa..

; in other words, these waves can pass through vacuum They require medium for propagation i.e. these waves cannot pass through vacuum All electromagnetic waves travel with the same velocity Matter waves travel..

In 1856, James Clark Maxwell proposed that light and other forms of radiant energy propagate themselves in the form of waves, through space. These waves have electric and magnetic fields associated with them and are called electromagnetic waves or electr..

When a number of similar waves pass through a medium simultaneously, each wave travels through the medium as though the others were not present. However, at any point in the medium, the net effect of the waves reaching that point at any instant, is produced. ..

WAVE is a form of disturbance, which travels through a material medium due to the repeated periodic motion of the particles of the medium about their position. Mechanical wave is a periodic disturbance, which requires a material medium for its propagation. ..

Characteristics of Light - Light is a form of energy produced by luminous objects. Light can travel through vacuum. Light can penetrate through transparent materials but cannot pass through opaque objects. Light travels in a straight line in an optically homogeneous medium...

>- A surface touching these secondary wavelets tangentially in forward direction at any instant gives the new (secondary) wave front at that instant. Using Huygenss principle, we can prove the laws of reflection and the laws of refraction on the basis of the wave theory. Superpo..

Refraction of Light In general, if a ray of light is passing from medium 1 to medium 2, then If the medium 1 is air or vacuum, the refractive index of medium 2 is referred to as the absolute refractive index. The refractive index of a medium depends on the following factors: the natu..

>Distinction between the properties of a , b and g radiation Property α-particle β-particle γ-radiation Nature Stream of positively charged particles i.e, helium nuclei, Stream of negatively charged particles i.e., energetic electrons. Electromagnetic waves..