A plane polarised light is incident normally on a tourmaline plate. Its E vector make an angle of `60^(@)` with the optic axis of the plate. Find the percentage difference between initial and final intensities

A plane polarized light is incident normally on a tourmaline plate. Its vecE vectors make an angle of 60^(@) with the optic axis of the plate. Find the percentage difference between initial and final intensities.

Plane polarized light incidents on tourmaline plate. vecE vectors make 45^(@) with optic axis of plate. Then % difference in magnitudes o initial and final intensities of vecE vectors is .......

A ray of unpolarised light is incident on a glass plate at the polarising angle theta_p . Then

Plane polarised light is incident normally on a quarter wave plate with optical vibrating making 30^@ with optic axis. The emerging light is passed through a totating Nicol. Intensity from Nicol

Plane polarised light is incident on an analyser . The intensity then becomes three fourth . The angle of the axis of the analyser with the beam is