![]() ![]() Its axis is perpendicular to the filter on the right (dark area)Īnd parallel to the filter on the left (lighter area). ![]() This photograph, a polarizing filter is placed above two others. (c) When the secondįilter is perpendicular to the first, no light is passed. Is rotated, only part of the light is passed. ![]() The polarized light is passed by the second polarizing filter,īecause its axis is parallel to the first. Polarizing filters, where the first polarizes the light. Calculate the light intensity inside the glass for the angle of incidence of. A beam with an intensity of 1 kW/cm2 1 k W / c m 2 is incident on a glass block (n 1.5) ( n 1.5).
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