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we, , | 6(A).26, | When @ narrow, | on a prism, it sp, , sed in Ca, eee meras,, Combination ° nd other optical instruments to, telescO and reduce aberrations., , gnification, gel, DISPERSION OF LIGHT, , beam of white light (sunlight) is incident, fits into its constituent colours..This, phenomenon is called dispersion of light. The pattern, of colour components of light, i.e. the band of seven, colours namely, violet, indigo, blue, green, orange and, red is called the visible spectrum. The order of the colours, from the base (C) to the upper end (A) is shown in the, we vets It bes that the violet light deviates the, eae 4 . ae the least. The colours of the, , ae rder can be easily remembered by the, , word VIBGY:, aK, , sopes, , + jarge ma