for the same angle of incidence in media L,M and N the angles of refraction are 45°,35° and 15° respectively in which medium will be velocity of light be minimum give reason for answer.
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Deforestation refers to the decrease in forest areas across the world that are lost for other uses such as agricultural croplands, urbanization, or mining activities. Greatly accelerated by human activities since 1960, deforestation has been negatively affecting natural ecosystems, biodiversity, and the climate.
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