Polarised light can be produced by

What is an unpolarised ligth ?Explain with the help of a suitable ray diagram,how an unpolarised light can be polarised by reflection from a transparent medium.Write the expression for Brewster angle in terms of the refractive index of the denser medium.

Which special characteristic of ligth is demonstrated only by the phenomenon of polarisation?Distinguihs clearly between linearly polarised light and unpolarised light.

In the sun heat, light are produced by............ reactions nuclear fusion.

A magnetic field can be produced by

Describe briefly,with the help of suitable diagram,how the transverse natrure of light can be demonstrated by the phenomenon of polarisation.

Give a method for producing a beam of plane polarised light.Show how you will detect the presence of plane polarised light.Give one practical use of polarised light.

Can our eye distinguish polarised light from unpolarised light?

Defien a linearly polarised or plane polarised light.Why is the phenomenon of polarisation not observed by sound waves?