Two Nicols are oriented with their principal planes making an angle of `60^@`. The percentage of incident unpolarised light which passes through the system is

Two polrizers are oriented with transmission planes making an angle of 60^(@) . The percentage of incident unpolarized light that passes through the system is

Two nicol prisms are oriented with their principal planes making an angle of 60^(@) . Then ..... % of incident unpolarised light which will pass through the system.

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 kept crossed to each other . If one of them is rotated an angle 60^@ , the percentage of incident light now transmitted through the system is

Two polaroids are kept crossed to each other . If one of them is rotated an angle 60^@ , the percentage of incident light now transmitted through the system is