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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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Q)

A $60W$ monochromatic point source radiating equally in all directions in vacuum is being monitored at a distance of $2m$. Determine the amplitude if the electric field.

$\begin {array} {1 1} (a)\;30.06 \: N/C & \quad (b)\;3.006\: N/C \\ (c)\;300.06\: N/C & \quad (d)\;0.3006\: N/C \end {array}$

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