The unit of ϵ 0 c 2 I is : (I = intensity of an electromagnetic wave, c : speed of light)

I = 2 1 ϵ 0 E 0 2 × C E 0 = ϵ 0 C 2 I E 0 : electric field N/C

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PhysicsEM WavesEM WavesMedium2 minPYQ_2025

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The unit of $\frac{2 I}{ϵ _{0} c}$ is :
(I = intensity of an electromagnetic wave, $c :$ speed of light)

Answer:

Solution:

$I = \frac{1}{2} ϵ_{0} E_{0}^{2} \times C E_{0} = \frac{2 I}{ϵ _{0} C}$
$E_{0}$ : electric field N/C

Stream:JEESubject:PhysicsTopic:EM WavesSubtopic:EM Waves

⏱ 2mℹ️ Source: PYQ_2025

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