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Back to 1.1 The Propagation of Light

1.1 Exercise 4

Avg difficulty 2.5

Does the fact that the light flash from lightning reaches you before its sound prove that the speed of light is extremely large or simply that it is greater than the speed of sound? Discuss how you could use this effect to get an estimate of the speed of light.

OpenStax University Physics Volume 3, 1.1 The Propagation of Light, exercise 4

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.