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Obviously we have to understand a few things about light, since photosynthesis
involves a transformation from light energy to chemical energy.
The one meter wavelength is to the right in the T.V. radio wave region.
Notice that as the wavelength decreases the frequency increases. and the amount of energy contained by the light increases. Thus ultraviolet light, the light responsible for sun burns has a higher frequency, shorter wavelength and more energy that does violet light. In contrast infrared radiation, has much less energy compared to an equivalent intensity of UV radiation.
By the way light can be thought of as either a packet of energy or a wave. Light viewed as packet of energy is called a photon.
pgd revised 2/17/01