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From Karnataka Open Educational Resources
→Notes for teachers
===Notes for teachers===
===Notes for teachers===
Studies done on how light travels has helped us visualise it now as changing electrical magnetic fields that interact with other material objects as packets of energy. 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.
Click [http://karnatakaeducation.org.in/KOER/en/index.php/Light_as_energy here] for more notes on the nature of light, visible light and colours.
'''Videos on Nature of Light'''<br>
'''Videos on Nature of Light'''<br>
