If the magnetic field of a plane electromagnetic wave is given by $B = 5 \times 10^{-6} \sin (0.6 \times 10^2 x + 0.5 \times 10^{10} t)$,then the speed of the wave is
- A$0.83 \times 10^7 \text{ m/s}$
- B$0.83 \times 10^8 \text{ m/s}$
- C$5.24 \times 10^8 \text{ m/s}$
- D$5.24 \times 10^9 \text{ m/s}$
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Medium
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