In Fizeau's Experiment to Measure the Speed of Light, the Wheel

question 26

Multiple Choice

In Fizeau's experiment to measure the speed of light, the wheel has 475 notches and rotates with a speed of 40.0 rev/sec. Light passing through one notch travels to the mirror and back just in time to pass through the next notch. If the distance between the wheel and the mirror is 7890 m, what is the speed of light measured by this experiment?

• A) 3.00 × 10⁸ m/s
• B) 3.00 × 10^-8 m/s
• C) 3.22 × 10⁸ m/s
• D) 3.22 × 10^-8 m/s
• E) 2.25 × 10⁸ m/s

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Definitions:

Generativity

In psychology, a concern for establishing and guiding the next generation, often seen during middle adulthood.

Integrity Versus Despair

A stage in Erik Erikson's theory of psychosocial development, occurring in late adulthood, where individuals reflect on their life and either achieve a sense of fulfillment or experience regret and despair.

Psychosocial Crisis

A turning point or period of conflict in an individual's psychological and social development, often associated with specific age stages.

Generativity

The concern for establishing and guiding the next generation, often expressed through parenting, teaching, or mentorship.