Mathematics · Electromagnetic Waves
An electromagnetic wave of frequency 5 GHz is travelling in a medium whose relative electric permittivity (εr) and relative magnetic permeability (μr) are both equal to 2. Its velocity in this medium is given by x × 107 m/s. The value of x is:
- 120
- 27.5
- 330
- 415✓
Correct answer
15
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