Question

what is spectrum? give answer fastly

Answer 1

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In physics, Spectrum means a band of seven colours, as seen in a rainbow, when they are produced by separation of the components of light by their different degrees of refraction according to wavelength in the atmosphere.

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Answer 2

A spectrum is acondition that is not limited to a specific set of value but can war without steps, across continuum. The world what was first used scientifically in Optic to describe the rainbow of colour invisible right after through it.