Diagram from letter written by Isaac Newton
Numéro d’image : 11904642
| Diagram from a letter written by Isaac Newton (1642-1727) to the Royal Society,& published in the Philosophical Transactions in 1672. BC,DE are boards which have holes at at x & y. Two prisms (A & F) are placed near the holes. The experiment is to move the prism A. This causes the colour of the light at GH to change because a different part of the spectrum reaches the prism F; but it also causes the light at GH to move because light of different wavelength is refracted to a different extent by the glass of the prism. Newton's major work on light and his prism experiments,Opticks,was not written until 1704 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library |
| Taille de l’image : | 4949 px × 2591 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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