Rotating triangular prism refracting light. Materials, such as glass, change the speed of a light beam passing through it (refraction). A beam of white light is consequently split into its constituent colours of varying wavelengths (a rainbow). This process is known as dispersion. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
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Länge: | 22 Sekunden |
Seitenverhältnis: | 16:9 |
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