Changes

#This radiation can be thought of as waves of different wavelengths. The waves are not of material objects but travelling waves changing electric and magnetic fields. Different wavelengths are associated with different energy levels and different kind of radiation.

#This radiation can be thought of as waves of different wavelengths. The waves are not of material objects but travelling waves changing electric and magnetic fields. Different wavelengths are associated with different energy levels and different kind of radiation.

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The following video is useful to see the development of theories of light.

The following video is useful to see the development of theories of light.<br>

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Listen to Richard Feynman, renowned physicist talk about the nature of light.

Listen to Richard Feynman, renowned physicist talk about the nature of light.<br>

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