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Chem Exam With 100% Correct Answers 2024
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Chem Exam With 100% Correct Answers 2024 How many photons are in a laser pulse with with wavelength 545 nm contains 4.85 mJ of energy? - answerE = ħ c / λ E = energy per photon... ħ = plancks constant = 6.626x10^-34 J s c = speed of light = 3.00x10^8 m/s λ = wavelength = 540 nm = 540x10^...
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