What are the wavelengths of electromagnetic wave and sound wave of same frequency 1.9-kHz? Speed of electromagnetic wave is 3x108 m/s, speed of sound wave is 357 m/s.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electromagnetic Waves
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What are the wavelengths of electromagnetic wave and sound wave of same frequency 1.9-kHz? Speed of
electromagnetic wave is 3×108 m/s, speed of sound wave is 357 m/s.
Wavelength of electromagnetic wave, λ₁ =
Wavelength of sound wave, λ₂:
=
Unit cm
=
What is the speed of electromagnetic wave in a medium of dielectric constant k = 2 and permeability
μ = μη μο 1.6 × 10-³ H/m?
-3
The speed of wave, v =
Unit km
Unit m/s
Transcribed Image Text:What are the wavelengths of electromagnetic wave and sound wave of same frequency 1.9-kHz? Speed of electromagnetic wave is 3×108 m/s, speed of sound wave is 357 m/s. Wavelength of electromagnetic wave, λ₁ = Wavelength of sound wave, λ₂: = Unit cm = What is the speed of electromagnetic wave in a medium of dielectric constant k = 2 and permeability μ = μη μο 1.6 × 10-³ H/m? -3 The speed of wave, v = Unit km Unit m/s
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