Two polarising sheets are placed with their planes parallel, so that light intensity transmitted is max. Through what angle must either sheet be turned so that light intensity drops to half the maximum value ?

Two ploarising sheets are kept with their polarising direction parallel such that the intensity of transmitted light is maximum. Calculate the angle through which one of the sheets must be turned if the intensity of transmitted light is to drop by 1/4 ?

Two polarizing sheets have their transmission axes crossed so that no light is transmitted. A third sheet is inserted so that its transmission axis makes an angle theta with the transmission axis of the first sheet. If the middle polarizing sheet is rotating at an angular speed omega about an axis parallel with the light beam, find an expression for the final intensity transmitted through after all three sheets as a function of time. (Original intensity was I_(0) )

When a polaroid sheet is rotated between two crossed polaroids, the intensity of the transmitted will be maximum, when angle theta between pass axes is

What is the angle between the plane of polariser and that of analyser to reduce the transmitted light intensity to half ?

Two polaroids are placed such that their planes are parallel to each other with their access of transmission at 30°. If an unpolarised light of intensity I_0 is incident on first polaroid polarizer then intensity of light that will be transmitted through the second polaroid is

Disuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids ?

The graph showing the dependence of intensity transmitted light on the angle between polariser are analyser, is