1. A linear polarizer rated at 40% to polarized light is placed in front of a regular flashlight emitting at 100[W/m ² ). What is the intensity of the light after the polarizer?

2. A linear polarizer rated at 40% to polarized light is place in front of a regular flashlight with its transmission axis vertical. After the polarizer the beam has intensity of 200[W/m ² ]. This 200[W/m ² ] impinge on a second polarizer that has its transmission axis 30 ⁰ of the horizontal. Calculate the intensity after the second polarizer.

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1 It is given that the intensity of the light after the polarizer is 40 of the initial intensi... View the full answer