[" 16.At what angle should the axes of two polaroids "],[" be placed so as to reduce the intensity of incident "],[" unpolarized light to "1/3.]

Two polaroid A and B are kept in crossed position. How should a third polaroid C be placed between them so that the intensity of polarized light transmitted by polaroid B reduces to (1)/(8)th of the intensity of unplarised light incident on A ?

Two polaroids A and B are kept in crossed poisiton.How should a third polariod C be placed between them so that the intensity of polarised ligth transmitted by polaroid B reduces to 1//8th of the intensity of unpolarised light incident on A?

When a polaroid is rotated the intensity of light does not vary. The incident light might be:

(a) How does an unpolarized light incident on polaroid get polarized ? Describe briefly, with the help of necessary diagram, the polarization of light by reflection from a transparent medium. (b) Two polaroids 'A' and 'B' are kept in crossed position. How should a third polaroid 'C' be placed between them so that the inlensity of polarized light transmitted by polaroid B reduces to 1//8^(th) of the intensity of unpolarized incident on A?

(a) How does an unpolarized light incident on polaroid get polarized ? Describe briefly, with the help of necessary diagram, the polarization of light by reflection from a transparent medium. (b) Two polaroids 'A' and 'B' are kept in crossed position. How should a third polaroid 'C' be placed between them so that the inlensity of polarized light transmitted by polaroid B reduces to 1//8^(th) of the intensity of unpolarized incident on A?

An unpolarized light is successively throgh two polaroids, each with their transmission axis parallel. If the intensity of unpolarized light be l_(0) , then intesity of the light after emerging from second polarizer will be