Science, asked by AliAhmad2008, 5 months ago

what is meant by refractive index of material? answer for grade 7

Answers

Answered by Anonymous

Answer:

RI is defined as the ratio of the velocity of light in a vacuum to the velocity of light in a material and is of vital importance in the case of ocular implants.

By the way in grade 7 there is no refractive index

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