The refracted ray is the bent path taken by light as it passes from one medium to another with different optical densities. It occurs due to a change in speed and direction.
Think about how your view appears distorted when you look through a glass filled with water. The way objects appear shifted or bent when viewed through water can help visualize how light bends or refracts as it passes through different materials.
Angle of refraction: The angle between the refracted ray and the normal line.
Snell's law: A formula that relates angles and speeds for light passing from one medium to another.
Index of refraction: A measure of how much a material slows down light compared to vacuum or air.
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