Determine the Amount of Energy Carried in L

question 34

Multiple Choice

Determine the amount of energy carried in l.0 m of a 3.5-mW He-Ne laser beam if the cross-sectional area of the beam is 5.0 x 10^-6 m².

• A)0.012 J
• B)4.1 x 10^-8 J
• C)1.2 x 10^-11 J
• D)1.0 J

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