A clear sheet of polaroid is placed on the top of similar sheet so that their axes make an angle `sin^(-1)(3/5)` with each other. The ratio of intensity of the emergent light to that of unpolarised incident light is

A clear sheet of polaroid is placed on top of a similar sheet so that axews make an angle of sin^(-1) (4/5) with each other. The ratio of intensity of the emergent light to that of polarised light is

A clear sheet of polaroid is placed on top of a similar sheet so that axews make an angle of sin^(-1) (4/5) with each other. The ratio of intensity of the emergent light to that of polarised light is

Two polaroid sheets are placed one over the other with their axes inclined to each other at 30^@ . The ratio of the intensity of the unpolarised incident light and the polarised emergent light is :

A transparent thin plate of a polaroid is placed on another similar plate such that the angle between their axes is 30^(@) . The intensities of the emergent and the upolarized incident light will be in the ratio of

A transparent thin plate of a polaroid is placed on another similar plate such that the angle between their axes is 30^(@) . The intensities of the emergent and the upolarized incident light will be in the ratio of

An unpolarized light of intensity 25W/m^(2) is passed normally through two polaroids placed parallel to each other with their transmission axes making an angle 37^(@) with each other.Then the intensity of the emerging light is

An unpolarised beam of intensity I_(0) is incident on a pair of nicols making an angle of 60^(@) with each other. The intensity of light emerging from the pair is

An unpolarised beam of intensity I_(0) is incident on a pair of nicols making an angle of 60^(@) with each other. The intensity of light emerging from the pair is