Question

What is the dispersion of light? Which are the colours of the spectrum obtained from the dispersion through a glass prism?Answer the given question in brief.

Answer 1

''Dispersion ⇒ It is the Phenomenon in the Optics in which light breaks into its constituents colors light which appears on the screen placed after the Prism. ''

''The band of the colors seen in the screen after the dispersion is called as Spectrum.''

The colors of the light seen is ⇒

VIBGYOR

Violet,

Indigo,

Blue,

Green,

Yellow,

Orange,

Red.

This series is in the increasing order of wavelength and thus decreasing order of Frequency.

Violet colors at the top have High Frequency and low Wavelength. Red colors have the High Wavelength and low Frequency.

Hope it helps.