Centuries: 17th century - 18th century - 19th century
Decades: 1680s 1690s 1700s 1710s 1720s - 1730s - 1740s 1750s 1760s 1770s 1780s
Years: 1726 1727 1728 1729 1730 - 1731 - 1732 1733 1734 1735 1736
... causing them to be refracted at different angles. The different frequencies correspond to different colours observed.
The amount that the light bends during ...
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