Light Energy: Definition, Function, and Examples

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Light Energy Definition

It is a type of energy, which has an impact on the organism and have properties similar to wave and these photons are in the form of particle. The unit is joules for expressing the light energy. 400- 700 nm is the wavelength of light that is cannot be viewed with human eye and is called as visible range of the electromagnetic range.

This visible range has a role to play in the photosynthetic entities and the sense of visibility in in animals. An example when sunlight hits the earth, there are various electromagnetic spectrum lights present, but only the visible can viewed by the human and which carries the photosynthesis process.

Visible light takes up two wavelengths and they are blue and red which include both the chlorophyll. The ability of an organism to produce light is called as Bioluminescence.

Other types of energy are Luminous energy, Radiant energy and Electromagnetic energy.

Light Energy Citations


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