Glass Prism

Glass Prism

C017/3824 Rights Managed

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Credit: Mark A. Schneider/SCIENCE PHOTO LIBRARY

Caption: Glass prism displaying rainbow of colours. Prism glasses work by refracting, or bending, white light. A light beam travels from the air to the glass prism, causing each colour that makes up white light to reflect at its own unique angle. This forms the rainbow-like colour pattern associated with prisms. Prism glasses work because they're more dense than air. Based on the laws of physics, when light travels from air to the more dense prism glass, it slows down. This causes the light to refract, or bend.

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Keywords: bend, bending, colourful, colours, glass, glass prism, light, light beam, optical effect, optical effects, optics, physics, prism, rainbow, refract, refracting, refraction, science, spectrum, white light

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