Polarization: the Following Are Positioned in Sequence: a Source of a Beam

question 35

Multiple Choice

Polarization: The following 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, from the perspective of 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. Which of the following pairs of angles are possible axis angle settings 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:

Monoamines

A group of neurotransmitters, including dopamine, norepinephrine, and serotonin, that play key roles in regulating mood, arousal, and sleep.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous systems that plays a crucial role in muscle contraction and cognitive functions.

Parasympathetic

The parasympathetic nervous system is one of the two divisions of the autonomic nervous system, responsible for conserving energy and reducing bodily functions like heart rate.

Sympathetic

Feeling, showing, or expressing sympathy, understanding, or compassion towards others.