93 A parallel bearn of light from a monochromatic source is

Last updated: 6/14/2023

93 A parallel bearn of light from a monochromatic source is passed through a nicol prism When the nicol is rotated about the incident ray as the axis the intensity of light emerging out of the prism 1 remains constant 2 will be zero 3 varies between maximum and zero 4 varies between certain maximum and non zero minimum