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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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About 5% of the power of a $100\: W$ light bulb is converted to visible radiation. What is the average intensity of visible radiation at a distance of $10\: m$ from the bulb?

$\begin {array} {1 1} (a)\;0.398\: W/m^2 & \quad (b)\;0.3098 \: W/m^2 \\ (c)\;0.0398\: W/m^2 & \quad (d)\;0.00398\: W/m^2 \end {array}$

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