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Questions  >>  CBSE XII  >>  Physics  >>  Electromagnetic waves
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Suppose that the electric field amplitude of an electromagnetic wave is $E_0 = 120 N/C$ and its frequency is $\gamma = 50.0 \;MHz$ . Determine $B_0, w,k$ and $\lambda$

$\begin{array}{1 1} (i) B_0 = 4 \times 10^{-7}T (ii) w= 3.14 \times 10^8\;rads^{-1}(iii) k=1.05\;rad\;m^{-1} (iv) \lambda= 6\;m \\ (i) B_0 = 2 \times 10^{-7}T (ii) w= 1.57 \times 10^8\;rads^{-1}(iii) k=10.5\;rad\;m^{-1} (iv) \lambda= 6\;m \\(i) B_0 = 4 \times 10^{-7}T (ii) w= 3.14 \times 10^8\;rads^{-1}(iii) k=1.05\;rad\;m^{-1} (iv) \lambda= 3\;m\\ (i) B_0 = 4 \times 10^{-7}T (ii) w= 3.14 \times 10^8\;rads^{-1}(iii) k=1.05\;rad\;m^{-1} (iv) \lambda= 3\;m \end{array} $

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