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The reflection and refraction of light explains how people see images, colour and even optical illusions. It is important to be able to draw ray diagrams to show the refraction of a wave at a boundary. The diagram shows that as a wave travels into a denser medium, such as water, it.

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The speed of light is determined by the medium (material) through which the light is travelling. Light travels faster in a vacuum than it does in any other medium. The bigger the refractive index,, the slower the light travels in that material - ie the smaller is.

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Refractive index. The speed of light is determined by the material (or medium) through which it travels. As it leaves one medium and enters another, it changes .

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The refractive index is the measurement that tells us how much a medium will slow down light or other waves. For example, typical glass has a refractive index of.

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Refractive Index (n). The refractive index (n) of a material is the ratio of the speed of light (c) in a vacuum to the velocity of light in the material (cS). refractive.

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Comprehensive revision notes for GCSE exams for Physics, Chemistry, Biology. A number called the refractive index of a substance is a measure of how.

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Refraction is caused by waves changing speed. Refraction is when waves change direction as they enter a different medium caused by a change in density .

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This ratio is called the refractive index of the two given media. If light goes from A to B, AμB = sin i / sin r AμB is called refractive index of B relative to A.

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glass is 41 degrees. Calculate its refractive index. So the refractive index of the glass (n1) = 1/sin41 = Because we Related Physics GCSE answers.

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Introduction: Snell's law states that the refractive index of a substance multiplied by Sin of the angle or incidence should be equal to the refractive index of.