(a) Differentiate between interference and polarisation as applied to waves. (b) Mention two uses of...
PHYSICSWAEC 2000
(a) Differentiate between interference and polarisation as applied to waves.
(b) Mention two uses of polaroids
Explanation
a)(i) Interference occurs in all kinds of waves i.e. longitudinal or transverse, while polarisation occurs only in transverse waves.
(ii) - In sun glasses to reduce the intensity of light.
- To produce polarised light.
- To produce three dimensional pictures.
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