Mathematics · Electromagnetic Waves
If the magnetic field in a plane progressive wave is represented by the equation By = 2 × 10-7 sin(0.5 × 103x + 1.5π × 1011t) T, where time t is in seconds and x is in meters, then the frequency of the wave is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1150 × 107 Hz
- 275 × 107 Hz
- 3150 × 109 Hz
- 475 × 109 Hz✓
Correct answer
75 × 109 Hz
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