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24-04-2024
Physics

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A 2.4 times 10¹⁴ Hz laser emits a 3.5- mu s pulse that is 5.0 mm in diameter. The average energy density in the beam is 0.65 J/m³. What average power is emitted by this laser? (c = 3.0 times 10⁸ m/s)

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