What is the rms value of the electric field at the screen

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Reference no: EM13255093

You want a screen to be illuminated with an intensity of 440 mW/m2. The screen is 12.97 m away from the light source, which is a bare light bulb radiating light in all directions.

What is the power of the light source?

_________W

What is the rms value of the electric field at the screen?

_________V/m

Reference no: EM13255093

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