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electromagnetic spectrum

Absorption and Emission Spectra

Last Updated on March 8, 2023 By Mrs Shilpi Nagpal

Continuous spectra

Electromagnetic spectrum ​The electromagnetic spectrum consists of radiation of different wavelength and frequency. An instrument used to separate the radiations of different wavelength is called spectroscope or spectrograph. A spectroscope consists of a prism or a diffraction grating for the dispersion of radiation and a photographic film to examine the emergent … [Read more...] about Absorption and Emission Spectra

Electromagnetic Wave Theory

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

wavenumber

Electromagnetic wave theory ​This theory was put forward by James clark Maxwell in 1864. The main points of this theory are: 1)The energy is emitted from any source continuously in the form of radiations and is called the radiant energy. 2)The radiations consist of electric and magnetic fields oscillating perpendicular to each other and both perpendicular to the … [Read more...] about Electromagnetic Wave Theory

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