Question: A low-power laser used in a physics lab might have a power of 0.50 mW and a beam diameter of 3.0 mm. Calculate (a) The

A low-power laser used in a physics lab might have a power of 0.50 mW and a beam diameter of 3.0 mm. Calculate
(a) The average light intensity of the laser beam, and
(b) Compare it to the intensity of a lightbulb producing 100-W light viewed from 2.0 m.

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