A plane electromagnetic wave travels, in vacuum, along the y-direction. Write the (i) ratio of the magnitudes and (ii) the direction of its electric and magnetic field vectors.

Solution

Given, a plane electromagnetic wave travelling in y-direction.

(i) Ratio of the magnitude of electric to magnetic field is,
$\frac{E}{B} = c$
where, c is the speed of light.

(ii) For an electromagnetic wave travelling along y-direction its electric and magnetic field vectors are along x-axis and z-axis respectively.

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Current Electricity

A plane electromagnetic wave travels, in vacuum, along the y-direction. Write the (i) ratio of the magnitudes and (ii) the direction of its electric and magnetic field vectors.

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