Mention any 2 causes for which Refraction of light Rays occur(Giveaway #2)
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Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. For example, when light travels from air into water, it slows down, causing it to continue to travel at a different angle or direction.
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Pedicel refers to a structure connecting a single flower to its inflorescence. ... The word "pedicel" is derived from the Latin pediculus, meaning "little foot". The stem or branch from the main stem of the inflorescence that holds a group of pedicels is called a peduncle.
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