Suppose you are observing a light wave traveling down a thin transparent fiber. Let A = 5V/m; let λ = 10 μm. What would be the electric field in the fiber at x = 2.5 μm? At x = 5 μm? At x = 7.5 μm?

Suppose you are observing a light wave traveling down a thin transparent fiber. Let A = 5V/m; let λ = 10 μm. What would be the electric field in the fiber at x = 2.5 μm? At x = 5 μm? At x = 7.5 μm?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 48P: While outdoors on a sunny day, a student holds a large convex lens of radius 4.0 cm above a sheet of...

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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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