Electric field in a plane electromagnetic wave is given by E = 50 sin(500x $-$ 10 $\times$ 1010 t) V/m The velocity of electromagnetic wave in this medium is :
(Given C = speed of light in vacuum)
Solution
$V = {\omega \over K} = {{10 \times {{10}^{10}}} \over {500}} = 2 \times {10^8}$<br><br>$V = {{2C} \over 3}$.
About this question
Subject: Physics · Chapter: Electromagnetic Waves · Topic: Maxwell's Equations
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