The Electric Field of an Electromagnetic Wave Is Given by E_y

question 23

Multiple Choice

The electric field of an electromagnetic wave is given by E_y = 25 sin 2.4 × 10⁶ π x - 3.0 × 10⁸t) ) . What is the frequency of the wave?

• A) 4.8 × 10⁷ s^-1
• B) 3.6 × 10¹⁴ s^-1
• C) 1.2 × 10⁶ s^-1
• D) 2.3 × 10¹⁵ s^-1
• E) None of the above.

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