Question

What is spectrum............​

Answer 1

Answer:

The group of wave length is called spectrum

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Answer 2

Answer:

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Explanation:

A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary, without steps, across a continuum. The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism. As scientific understanding of light advanced, it came to apply to the entire electromagnetic spectrum.