Question

Meaning of 'Spectrum'.​

Answer 1

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• 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.

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Answer 2

Answer:

the band of 7 colours of light after refraction is called spectrum