Determine the amount of energy carried in 50 m of a 3.5-mW He-Ne laser beam if the cross-sectional area of the beam is 5.0 × 10−⁶ m². A) 2.9 × 10^-8 J B) 5.8 × 10^-10 J C) 0.024 J D) 2.9 × 10^-10 J

Name: Determine the amount of energy carried in 50 m of a 3.5-mW He-Ne laser beam if the cross-sectional area of the beam is 5.0 × 10− 6 m 2 . A) 2.9 × 10 -8 J B) 5.8 × 10 -10 J C) 0.024 J D) 2.9 × 10 -10 J
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The Answer is B

Determine the Amount of Energy Carried in 50 M of a 3.5-MW