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Of a 1.2 mW laser pointer (beam diameter 2.0 mm) and a 100 W light bulb, which has the greater average intensity in an r=1.0 mm circular area, d=1.5 m away from each source?

Of a 1.2 mW laser pointer (beam diameter 2.0 mm) and a 100 W light bulb, which has the greater average intensity in an r=1.0 mm circular area, d=1.5 m away from each source?

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Of a 1.2 mW laser pointer (beam diameter 2.0 mm) and a 100 W light bulb, which has the greater average intensity in an r=1.0 mm circular area, d=1.5 m away from each source?
Transcribed Image Text:Of a 1.2 mW laser pointer (beam diameter 2.0 mm) and a 100 W light bulb, which has the greater average intensity in an r=1.0 mm circular area, d=1.5 m away from each source?
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