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:

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Renaissance Art

A period in European history, lasting from the 14th to the 17th century, that is characterized by a revival of interest in the classical learning and values of ancient Greece and Rome, notably in the arts.

Printing Press

A mechanical device developed in the 15th century that allowed for mass production of printed materials, significantly impacting information dissemination and literacy rates.