Answered: 2. Calculate travel time of light from…

2. Calculate travel time of light from the Moon to the Earth (the speed of light in vacuum is 3x10 meters per second; mean distance from the Earth to the moon is 3.84x10 m).

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter1: Measurement

Section: Chapter Questions

Problem 11E

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

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2. Calculate travel time of light from the Moon to the Earth (the speed of light in vacuum is
3x10 meters per second; mean distance from the Earth to the moon is 3.84×10° m.

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