Question

what's is electromagnetic spectrum ​

Answer 1

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The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 1025hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus. 

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Answer 2

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What's is electromagnetic spectrum ​

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$\Large\bold\star\underline{\underline\textbf{Electromagnetic spectrum\:}}$

→ Arrangement of all electromagnetic waves in increasing wavelength (or decreasing frequency) is known as electromagnetic spectrum.

→ Electromagnetic spectrum in terms of increasing wavelength is : Gamma rays (ý-rays), X-rays, Ultraviolet rays, Visible light, Infra-red rays, Micro waves, Radio
waves.








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