Calculate the average light intensity of the laser beam

Reference no: EM13557414

A low-power laser used in a physics lab might have a power of0.50 mW and a beam diameter of 3.0mm. Calculate:

a) the average light intensity of the laser beam

b) compare it to the intensity of a lightbulb producing 40-Wlight viewed from 2.0m.

Reference no: EM13557414

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