An Experiment to Measure the Speed of Light Uses an Apparatus

question 32

Multiple Choice

An experiment to measure the speed of light uses an apparatus similar to Fizeau's. The distance between the light source and the mirror is 10 m, and the wheel has 800 notches. If the wheel rotates at 9000 rev/s when the light from the source is extinguished, what is the experimental value for c (in m/s) ?

• A) 2.94 × 10⁸
• B) 2.92 × 10⁸
• C) 2.88 × 10⁸
• D) 2.98 × 10⁸
• E) 3.01 × 10⁸

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Definitions:

Servant Leadership

A leadership philosophy that emphasizes the importance of serving others as the primary role of a leader, focusing on the growth and well-being of communities and individuals.

Showing Interest

The act of expressing or demonstrating curiosity or concern towards someone or something.

Fear

An unpleasant emotional state triggered by the perception of danger, threat, or harm.

Coercion

Coercion is the act of compelling a person to act against their will by using force, threats, or manipulation.