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i) The polarizing axis of a polarizing sheet forms an angle of 30 degree to the electric field of a linearly polarized light. The polarized light consists of an intensity Io. The intensity of light after it goes via the polarizing sheet is?

ii) The polarizing axis of a polarizing sheet forms an angle of 30 degree from the vertical. An unpolarized light of intensity Io passes via the polarizing sheet. The intensity of light after it goes via the polarizing sheet is?

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