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It is the most familiar form of EM waves.
It is the most familiar form of EM waves.
These waves are detected by human eye.
These waves are detected by human eye.
Therefore this wavelength range is called the visible light.
Therefore this wavelength range is called the visible light.
The visible light is emitted due to atomic excitations.
The visible light is emitted due to atomic excitations.
Properties
Properties
1) Different wavelengths give rise to different colours.
1) Different wavelengths give rise to different colours.
2) Visible light emitted or reflected from objects around us provides us information about those objects and hence about the surroundings.
2) Visible light emitted or reflected from objects around us provides us information about those objects and hence about the surroundings.
Wavelenths of colours in visible light
Wavelenths of colours in visible light
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