As shown in the figure, the orientation of the transmission axis for each of three ideal polarizing sheets is labeled relative to the vertical direction. A beam of light, polarized in the vertical direction, is incident on the first polarizer with an intensity of 1.00 kW/m2. What is the intensity of the beam after it has passed through the three polarizing sheets when θ1 = 30°, θ2 = 30°, and θ3= 60°? 
Definitions:
Personal Concerns
Issues or matters that hold significant importance or relevance to an individual's life and wellbeing.
Conscious Feelings
Emotions and sensations that are within an individual's immediate awareness.
Life Instincts
In Freudian psychoanalysis, the forces or drives within an individual that are primarily geared towards survival, reproduction, and pleasure.
Unconsciousness
A state where a person is unable to respond to stimuli and lacks awareness of their surroundings.
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