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mikael mikael
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7 years ago
A laser produces a beam of 4000 nm light. A shutter allows a pulse of light, 30 ps in duration, to pass. The uncertainty in the energy of a photon in the pulse is closest to: 
A) 2 × 10-6 eV 
B) 2 × 10-5 eV 
C) 2 × 10-4 eV 
D) 2 × 10-3 eV 
E) 2 × 10-2 eV 
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padrepadre
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7 years ago
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7 years ago
Thanks for the homework assistance, my physics class is a big challenge.
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Thanks
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