A diamond splits white light into colours of the spectrum when light passes through it.ndiamond = 2.417 so there is more dispersioncritical angle = 24.4°Light may be totally internally reflected many times before it emerges so colours to spread out more and more causing the diamond to sparkle with different colours.
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Specification: AQA Physics (7407), AS-level, 3.3.2.3 Refraction at a plane surface. Topic: Optics.
Key terms in this lesson
- Equilibrium
- An object is in equilibrium when the resultant force and the resultant moment acting on it are both zero.
- Moment
- The turning effect of a force about a pivot, equal to the force multiplied by the perpendicular distance from the pivot to the line of action of the force.