Thin Films: a Thin Layer of Oil (N = 1

question 44

Multiple Choice

Thin films: A thin layer of oil (n = 1.25) is on top of a puddle of water (n = 1.33) . If normally incident 500-nm light is strongly reflected, what is the minimum nonzero thickness of the oil layer?

• A) 200 nm
• B) 250 nm
• C) 100 nm
• D) 400 nm
• E) 150 nm

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Attention-Deficit/Hyperactivity Disorder

A neurological disorder characterized by a pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.

Cognitive Abilities

The mental capacities that involve the ability to reason, plan, solve problems, think abstractly, and comprehend complex ideas.

Vigilance

The act or state of keeping careful watch for possible danger or difficulties.

Electrically Charged

Having an excess or deficiency of electrons, resulting in the ability to exert an electromagnetic force on other charged objects.