The Figure Shows the Time Variation of the Magnitude of the Electric

question 42

Multiple Choice

The figure shows the time variation of the magnitude of the electric field of an electromagnetic wave produced by a wire antenna.
-Determine the frequency of the wave.

• A)1.0 × 10⁹ Hz
• B)1.3 × 10⁸ Hz
• C)2.5 × 10⁸ Hz
• D)3.8 × 10⁸ Hz
• E)5.0 × 10⁸ Hz

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