In the Figure, a Laser Positioned on a Ship Is

question 22

Multiple Choice

In the figure, a laser positioned on a ship is used to communicate with a small two-man research submarine resting on the bottom of a lake. The laser is positioned 12 m above the surface of the water, and it strikes the water 20 m from the side of the ship. The water is 76 m deep and has an index of refraction of 1.33. How far horizontally is the submarine from the side of the ship?

• A) 84.1 m
• B) 64.1 m
• C) 104 m
• D) 74.1 m
• E) 94.1 m

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Definitions:

Calculated

Determined or derived by mathematical methods or processes.

Null Hypothesis

A default hypothesis that there is no effect or no difference, used as a basis for statistical testing.

Research Hypothesis

A specific, testable prediction about the expected outcome of a study based on theory or prior research.

Three Groups

Refers to experimental or study designs involving three distinct groups or conditions for comparison or analysis.