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A polarizing sheet is placed in front of a neon sign. If the polarizing sheet is rotated through 180∘ , it is observed that the brightness of the neon sign does not change during the rotation. We can conclude that the sign is unpolarized monochromatic. polarized. changing its brightness.

A polarizing sheet is placed in front of a neon sign. If the polarizing sheet is rotated through 180∘ , it is observed that the brightness of the neon sign does not change during the rotation. We can conclude that the sign is unpolarized monochromatic. polarized. changing its brightness.

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A polarizing sheet is placed in front of a neon sign. If the polarizing sheet is rotated through 180∘ , it is observed that the brightness of the neon sign does not change during the rotation. We can conclude that the sign is unpolarized monochromatic. polarized. changing its brightness.

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