Calculate the number of wavelengths in length of the beam

Reference no: EM13264872

A 4.4 x 10^14 Hz laser emits a 2.1 mS pulse, 5.0 mm in diameter, with a beam energy density of 0.24 j/m^3. Calculate the number of wavelengths in the length of the beam.

Reference no: EM13264872

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