Definition For Dispersive Power

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Definition for dispersive power. Define dispersive power by webster s dictionary wordnet lexical database dictionary of computing legal dictionary medical dictionary dream dictionary. Dispersive power of prism is defined as the measure of the difference in refraction of the light of the highest wavelength and the lowest wavelength that enters the prism. The ratio of angular dispersion between two colours to the deviation of mean ray produced by the prism is called the dispersive power of material of the prism for those colours. Opt the relative effect of a material in separating the different rays of light by refraction as when the substance is formed into a prism.

Dispersive power is the property of a material irrespective of its shape. Definition of dispersive power. It is defined as the ratio of angular deviation to the mean deviation of the material. The dispersive power w of the material is then defined as the ratio of the difference between the f and c indices and the d index reduced by 1 or.

The power of a transparent medium to separate different colors of light by refraction as measured by the difference in refractivity for two specified widely differing wavelengths divided by the refractivity at some specified intermediate wavelength. Dispersive power ω n f n c n d 1 where n is the refractive index for. Dispersive power of the prism can also be expressed in terms of the angle between the two extreme wavelengths. Thesaurus medical financial encyclopedia.