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 unpolarized beam of light of intensity I_(0) passes through two linear polarizers making an angle of 30^(@) with respect to each other. The emergent beam will have an intensity –

A plane polarized light with intensity I_(0) is incident on a polaroid with Electric Field vector making an angle of 60^(@) with transmission axis of polaroid. The intensity of the resulting light will be

Unpolarised light of intensity 32 W//m^(2) passes through a polariser and analyser which are at an angle of 30^(@) with respect to each other. The intensity of the light coming from analyser is

A beam of light is incident on glass slab making an angle of 60^(@) with the surface. The angle of refraction and the velocity of light in glass of R.I. 1.5 are

An unpolarised beam of intensity I_(0) falls on a polariod. The intensity of the emergent light is :

A polariser is place in a pth of unpolarised light of intensity I_(0) An another polariser is placed in such a way that its axis makes an angle 30^(@) with first. Opne The intensity of emergent light will be

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