Physics, asked by Merry1232, 7 months ago

Light from a point source in air is incident on a concave refracting surface.it was found that when the source was kept 20cm and 25cm from the centre of the refracting surface the respecting images were formed 25cm and 30cm . find the refractivre index and radius of curvature?

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Answered by hdthebest95

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