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PRISM REFRACTS WHITE LIGHT TO FORM CURVED SPECTRUM<br />
The various wavelengths of visible light, a small part of the electromagnetic spectrum, are separated because the refractive index of the prism substance varies for the different wavelengths.

Fphoto-15458101-1RM.jpg

PRISM REFRACTS WHITE LIGHT TO FORM CURVED SPECTRUM
The various wavelengths of visible light, a small part of the electromagnetic spectrum, are separated because the refractive index of the prism substance varies for the different wavelengths.

Copyright:© 1981 Richard Megna - Fundamental Photographs

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