A Tank Holds a 1

question 12

Multiple Choice

A tank holds a 1.44-m thick layer of oil that floats on a 0.96-m thick layer of brine.Both liquids are clear and do not intermix.Point O is at the bottom of the tank,on a vertical axis.The indices of refraction of the oil and the brine are 1.40 and 1.52,respectively.A ray originating at O crosses the brine-oil interface at a point 0.60 m from the axis.The ray continues and emerges into the air above the oil.What is the angle that the ray in the air makes with the vertical?

• A) 48°
• B) 51°
• C) 54°
• D) 57°
• E) 60°

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Definitions:

Time Spent Learning

The duration dedicated to acquiring new knowledge or skills through study, experience, or teaching.

Emotionally Stressful Events

These are incidents or circumstances that cause significant psychological stress or emotional disturbance.

Amygdala

A region of the brain involved in the processing of emotions, including fear, anxiety, and the formation of emotional memories.

Basal Ganglia

A group of nuclei in the brain associated with a variety of functions, including control of voluntary motor movements, procedural learning, habit learning, eye movements, cognition, and emotion.