A pulsed laser produces brief bursts of light. One such laseremits pulses that carry 0.350 J of energy but last only 225 fs. (a) Whatis the average power during one of these pulses? (b) Assuming theenergy is emitted in a cylindrical beam of light 2.00 mm in diameter, calculate the average intensity of this laser beam. (c) What isthe rms electric field in this wave?

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