electromagnetic radiations

Electromagnetic Radiation and Energy(Planck's quantum theory) - In 1900, Max Planck presented the results of his famous black body radiation experiments, which showed that light has a dual character, behaving like a particle as well as a wave. He gave the Quantum Theor..

In 1900, Max Planck presented the results of his famous black body radiation experiments, which showed that light has a dual character, behaving like a particle as well as a wave. He gave the Quantum Theory of Radiation explaining electromagnetic radiation a..

While all electromagnetic waves travel at the same speed (i.e., velocity 'c' is constant), the type of their radiation differs in the duration of wavelength and consequently their frequencies. An electromagnetic radiation with a long wavelength will have a..

>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..

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 electromagnetic radiationh..

Distinction between Electromagnetic Waves and Matter Waves - The important differences between electromagnetic waves and matter waves are given below: Electromagnetic waves Matter waves Electromagnetic are associated with electric and magnetic fields perpendi..

The important differences between electromagnetic waves and matter waves are given below: Electromagnetic waves Matter waves Electromagnetic are associated with electric and magnetic fields perpendicular to each other and to the direction of propagation ..

Let us consider the case of electromagnetic radiation in an ionised medium. Suppose we increase/decrease the amplitude of an electromagnetic wave passing through an ionised ga..

When electromagnetic radiation strikes on the surface of alkali metals, they emit electrons. This is called the photoelectric effect. This occurs as alkali metals have low ionization energies, which allows the electrons to be easily ejected when exposed to light. Among alkali m..

In 1967, the atomic clock was adopted, choosing caesium-133 atom, which emits electromagnetic radiation of a precise and unvarying frequency, corresponding to the transition between two hyperfine levels of the ground stat..