In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves ...

img src="https://img.jagranjosh.com/images/2024/June/1362024/ew-formula-sheet.jpg" width="1200" height="675" /> Electromagnetic Waves Formula Sheet Class 12: CBSE ...

The electromagnetic spectrum is a continuous range of wavelengths. The types of radiation that occur in different parts of the spectrum have different uses and dangers - depending on their ...

A black body completely absorbs all electromagnetic radiation that falls on it irrespective of its wavelength ... today known as Planck’s quantum of action. Planck succeeded in deriving a radiation ...

We say that it becomes ‘excited’. An electron can be excited when its absorbs energy from electromagnetic radiation. Different changes in energy level need different frequencies of ...

THE electromagnetic spectrum includes radiation over a wide range of energies and a variety of categories, many of which one senses or uses every day. These include microwaves, television and ...