Physics · Electromagnetic Waves
In a plane electromagnetic wave, the magnetic field is given by B = 3 × 10-7 sin(100πx + 1012t) T. What is the wavelength of the wave? (In the equation, x is in metres and t is in seconds)
- 10.04 m
- 20.4 m
- 30.2 m
- 40.02 m✓
Correct answer
0.02 m
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