Two polariods are oriented with their transmision axes making angle of `30^(@)` with each other. The fraction of incident un polarised light is transmitted

Two polaroids are oriented with their planes perpendicular to incident light and transmission axis making an angle of 30^(@) with each other. What fraction of incident unpolarised light transmitted?

Two polaroid's are oriented with their planes perpendicular to incident light and transmission axis making an angle of 30^(@) with each other. What fraction of incident unpolarized light transmitted?

Two polaroids ar oriented with their planes of trnasmission making an angle of 30^@ with that of precceeding sheet.What fraction of incident unpolarised light is transmitted?