A laser produces light of wavelength 633 nm in pulses that propagate in the +x-direction and that are 7.00 x 10-6 m in length. For an average photon in this pulse, find (a) the momentum p, (b) the minimum momentum uncertainty in kg . m/s and as a percentage of p, (c) the energy E, and (d) the minimum energy uncertainty in J and as a percentage of E.

A laser produces light of wavelength 633 nm in pulses that propagate in the +x-direction and that are 7.00 x 10-6 m in length. For an average photon in this pulse, find (a) the momentum p, (b) the minimum momentum uncertainty in kg . m/s and as a percentage of p, (c) the energy E, and (d) the minimum energy uncertainty in J and as a percentage of E.

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