InterviewSolution
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InterviewSolution
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Unpolarised light of intensity `32 Wm^(-2)` passes through three polarizer such that the transmission axis of the last polarizer is crossed with that of the first. The intensity of final emerging light is `3Wm^(-2)`. The intensity of light transmitted by first polarizer will beA. `32 Wm^(-2)`B. `16 Wm^(-2)`C. `8 Wm^(-2)`D. `4 Wm^(-2)` |
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Answer» Correct Answer - B Intensity of light transmitted by first is half of intensity of unpolarised light `= 16 W//m^(2)`. |
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