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A prism causes dispersion of white light while a rectangualr glass block does not. explain?
Wiki User
∙ 12y ago
A prism has angled sides so the light will bounce around. The different wavelengths of light are traveling at slightly different speeds so they bounce around the inside of the prism a little differently. A rectangular prism has straight edges so the light passes right through.
Wiki User
∙ 12y ago
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