Answer:
The magnitude of the electric field is in the r direction.
Explanation:
The equation of the electric field is given by:
Where:
Therefore, the magnitude of the electric field is in the r direction.
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Answer:
Option D.) 0.09 I₀
Explanation:
The intensity, I, of a polarized light after passing through a polarizing filter is given by
Original Intensity
Angle between the direction of polarization and the axis of filter
After passing through the first polarizer, the initial intensity, is halved, i.e
After passing through the second polarizer, the angle of polarization, θ = 30⁰
After passing through the third polarizer, the angle of polarization, θ = 90⁰-30⁰ = 60⁰