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Home  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves

A sinusoidal electromagnetic plane wave travels through the empty space in $x$ - direction. The electric wave is polarized in the $y$ - direction frequency of waves is $1.5\: GHz$. At a certain point $P$ in space, the oscillating $E_y$ attains a maximum magnitude $E_o = 6.3 \: V/m$ \[\] What is the wavelength of the wave?

$\begin {array} {1 1} (a)\;0.1 m & \quad (b)\;0.2m \\ (c)\;0.15m & \quad (d)\;0.3m \end {array}$

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Wavelength, $\lambda = \large\frac{3 \times 10^8}{(1.5 \times 10^9 )}$$ = 0.2m$
answered Mar 5, 2014 by thanvigandhi_1

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