Physics · Polarization: plane-polarized light, Brewster's law, uses of plane-polarized light and Polaroid
Polaroid glass is used in sun glasses because
Polaroid glass is used in sun glasses because
- A. It reduces the light intensity to half on account of polarisation
- B. It is fashionable
- C. It has good colour
- D. It is cheaper
Step-by-step solution
Polaroid lenses contain a polarizing filter that selectively blocks horizontally polarized light (glare from reflective surfaces), thereby reducing overall light intensity by about half. This reduction in glare improves visual comfort and clarity, making it the primary reason for use in sunglasses.
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