The Electric Field of an Electro-Magnetic Wave Is Given by E_y

question 14

Multiple Choice

The electric field of an electro-magnetic wave is given by E_y = 25 sin(2.4 $\times$ 10⁶ $\pi$ (x - 3.0 $\times$ 10⁸t) ) .What is the frequency of the wave?

• A)4.8 \(\times\) 10⁷ s^-1
• B)3.6 \(\times\) 10¹⁴ s^-1
• C)1.2 \(\times\) 10⁶ s^-1
• D)2.3 \(\times\) 10¹⁵ s^-1
• E)none of the above

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