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What is the cause of refraction?

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But why does light refract? What is the cause of such behavior? And why is there this one exception to the refraction of light? An analogy of marching soldiers is often used to address this question. In fact, it is not uncommon that the analogy be illustrated in a Physics class with a student demonstration. read more

Refraction is merely one of several possible boundary behaviors by which a light wave could behave when it encounters a new medium or an obstacle in its path. The transmission of light across a boundary between two media is accompanied by a change in both the speed and wavelength of the wave. read more

Refraction is caused by light passing from one medium to another (from air to water, for example) and experiencing a change in speed. A fisherman looking into water to spear a fish will have to remember that refraction will distort the image he sees under the water's surface. read more

Start studying ch9 waves. Learn vocabulary, terms, and more with flashcards, games, and other study tools. read more

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