Consider a light beam incident from air to a glass slab at Brewster’s angle as shown in Figure.
A polaroid is placed in the path of the emergent ray at point P and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid.
(a) For a particular orientation there shall be darkness as observed through the polaroid.
(b) The intensity of light as seen through the polaroid shall be independent of the rotation.
(c) The intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid.
(d) The intensity of light as seen through the polaroid shall go through a minimum for four orientations of the polaroid. [NCERT Exemplar]
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when a polaroid is held in the path of emergent light P, and rotated about an axis passing through the centre and perpendicular to the plane of polaroid, the intensity of light shall go through a minimum but not zero for two orientations of the polaroid.
Answered by
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Answer:
hello student..
A polaroid is placed in the path of the emergent ray at point P and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid then the intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid.
I hope it's helpful to you
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