MCQOPTIONS
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MCQOPTIONS
| 1. |
The magnetic field intensity of uniform plane wave in air is 20 A/m in the direction ay. The wave is propagating in the az direction at a frequency of 2 × 109 rad/s. What is the wavelength of the plane wave? |
| A. | \(\frac{3}{{20}}\;m\) |
| B. | \(\frac{3}{{10}}\;m\) |
| C. | \(\frac{{3\pi }}{{20}}\;m\) |
| D. | \(\frac{{3\pi }}{{10}}\;m\) |
| Answer» E. | |