Polarisation of Light (Theory)

 

A light wave that is vibrating in more than one plane is referred to as unpolarized light. Light emitted by the sun, by a lamp in the classroom, or by a candle flame is unpolarized light. Such light waves are created by electric charges that vibrate in a variety of directions, thus creating an electromagnetic wave that vibrates in a variety of directions. This concept of unpolarized light is rather difficult to visualize. In general, it is helpful to picture unpolarized light as a wave that has an average of half its vibrations in a horizontal plane and half of its vibrations in a vertical plane.



Prepared By: Sanjeet Singh [IIT (ISM) Dhanbad Alumni]        220px-Indian_Institute_of_Technology_(Indian_School_of_Mines),_Dhanbad_Logo.png


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