Physics, asked by nandikabalan7638, 9 months ago

. RI IS RELATIVE BUT NOT ABSOLUTE MEANS, IF WE CHANGE ----------------------------- ------------

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Answered by Anonymous

Answer:

relative refractive index difference Δ between the core (refractive index n1 ) and cladding (refractive index n2) is defined as Δ=( n1- n2)/n1.

Absolute change refers to the simple difference in the indicator over two periods in time, i.e. Relative change expresses the absolute change as a percentage of the value of the indicator in the earlier period,

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