The Following Items Are Positioned in Sequence: a Source of a Beam

question 6

Multiple Choice

The following items are positioned in sequence: A source of a beam of natural light of intensity I₀,three ideal polarizers A,B,and C;and an observer.Polarizer axis angles are measured clockwise from the vertical,as viewed by the observer.The axis angle of polarizer A is set at 0° (vertical) ,and the axis angle of polarizer C is set at 50°.Polarizer B is set so that the beam intensity is zero at the observer.What are the two possible axis angle settings (less than 180°) of polarizer B?

• A)40° and 90°
• B)40° and 130°
• C)40° and 140°
• D)90° and 130°
• E)90° and 140°

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Definitions:

Primary Attitudes

Fundamental feelings or beliefs that are held by an individual toward objects, people, or concepts.

Ego

Within the framework of psychoanalytic theory, it is the component of personality responsible for balancing the needs of the id, superego, and the external world.

Extraversion

A personality trait characterized by outgoingness, high energy, and positive emotions towards social interactions.

Introversion

A personality trait where individuals are more focused on internal thoughts and feelings rather than seeking external stimulation.