A Fish Is 1

question 18

Multiple Choice

A fish is 1.2 m beneath the surface of a still pond of water.At what maximum angle can the fish look toward the surface (measured with respect to the normal to the surface) in order to see a fisherman sitting on a distant bank? (for water,n = 1.333)

• A)18.6°
• B)37.2°
• C)48.6°
• D)The fish will not see the fisherman at any angle.

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Definitions:

Amphetamine Derivative

A substance chemically related to amphetamine, used for various medical purposes but may also have stimulant effects or potential for abuse.

Mild Hallucinogen

A substance that induces mild alterations in perception, mood, and thought, typically without causing delusions or loss of touch with reality.

Ecstasy

A state of intense joy and happiness, or a drug known for inducing feelings of euphoria.

Stored Serotonin

Serotonin that is accumulated and kept within the synaptic vesicles of neuron cells in the central nervous system, playing a crucial role in mood regulation.