Question on: SS1 Physics - Wave Optics
Explain the concept of polarisation of light. How does it differ from unpolarised light? Provide examples to illustrate your explanation.
Polarisation of light refers to the alignment of light waves along a specific orientation, typically in a single plane. Unpolarised light consists of light waves vibrating in random directions. When unpolarised light passes through a polarising filter, it becomes polarised, with only the light waves vibrating in a specific direction allowed to pass through. This results in a reduction in the intensity of the light. Examples of polarised light include light reflected off a smooth surface or light passing through certain materials, such as polarising sunglasses or LCD screens.
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