Question

explain the spectrum with an example

Answer 1

the series of colored bands or lines dispersed and arranged in the order of their respective wavelengths by the passage of white light through a prism or other dispersing device and shading continuously from red (produced by the longest wave visible) through violet (produced by the shortest): the six main colors of the spectrum are red, orange, yellow, green, blue, and violet, with a seventh color (indigo) sometimes specified, between blue and violet.

An example of a spectrum is a rainbow.

Answer 2

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¤¤ The band of seven colours formed due to dispersion of white light is called SPECTRUM.

¤¤ Each colour has a definite wavelength and for a each wavelength the angles of deviation differs. Red is the least deviated and violet is the most deviated colour so different colours deviate at different angles to form SPECTRUM.

¤¤ For Example, When a light is passed through a glass prism, it splits into its seven constituent colour to form a band of seven colours and A RAINBOW