Mathematics · Electromagnetic Waves
The electric field part of an electromagnetic wave is given by E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s) t]} î. Compute the value of wavelength (in m), frequency (in Hz), and the amplitude of the magnetic field part of the wave (in T) respectively.
- 13.23, 3.82 × 107, 1.76 × 10-6
- 25.23, 3.82 × 107, 1.15 × 10-8✓
- 33.23, 2.82 × 107, 0.76 × 10-8
- 45.23, 2.82 × 107, 1.76 × 10-8
Correct answer
5.23, 3.82 × 107, 1.15 × 10-8
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