2. State the significance of the cos20 in the expression for Malus's Law 3. Vertically polarised light of intensity 50Wm-2 is incident on a polarising filter whose axis is rotated 150 to the vertical. Calculate the intensity of transmitted light.

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2. State the significance of the cos20 in the expression for Malus's Law
3. Vertically polarised light of intensity 50Wm-2 is incident on a polarising filter
whose axis is rotated 150 to the vertical. Calculate the intensity of transmitted
light.
Transcribed Image Text:2. State the significance of the cos20 in the expression for Malus's Law 3. Vertically polarised light of intensity 50Wm-2 is incident on a polarising filter whose axis is rotated 150 to the vertical. Calculate the intensity of transmitted light.
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