(a) List two types of waves, apart from light, that can be plane polarised (b)...
PHYSICS
WAEC 1999
(a) List two types of waves, apart from light, that can be plane polarised
(b) State two applications of plane polarised light.
Explanation
(a) Gamma - rays. X - rays, radio waves, infra-red.
- To determine the concentration of sugar solution
- In polaroids used in sun glasses to reduce the intensity of incident sunlight glare from reflecting surfaces.
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