Plane polarised light is passed through a polaroid. On viewing through the polaroid we find that when the polaroid is given one complete rotation about the direction of light

A plane polarised light is passed through a polaroid, when the polaroid is given one full rotation about the direction of light, then

A beam of light AO is incident on a glass slab ( mu=1.54 ) in a direction as shown in the diagram The reflected ray OB is passed through a polaroid On viewing through the polaroid. We find that on rotating the polaroid (given tan 57^@=1.54 )

(a) When an unpolarized light of intensity I_(0) is passed through a polaroid , what is the intensity of the linearly polarized light ? Does it depend on the orintation of the polaroid ? Explain your answer. (b) A plane polarized beam of light is passed through a polaroid . Show graphically the variation of the intensity of the transmitted light with angle of rotation of the polaroid in complete one rotation.

A beam of unpolarised light of intensity is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45^(@) relative to that of A. The intensity of the emergent light

A beam of unpolarised light of intensity I_0 is passed through a polaroid and then through another polaroid B which is oriented so that its principal plane makes an angle of 45^circ relative to that of A. The intensity of the emergent light is