(a) Differentiate between interference and polarisation as applied to waves.
(b) Mention two uses of polaroids
(b) Mention two uses of polaroids
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Correct Answer: Option n
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.
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.