the momentum of a photon with energy 20eV is?
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20ev = 3.204 × 10^-18 joules
π(wavelength) = h c / E = 62.1nm
From Debroglie's relation
π = h/p
Therefore, p = h/π
= 1.0669887278E−26
π(wavelength) = h c / E = 62.1nm
From Debroglie's relation
π = h/p
Therefore, p = h/π
= 1.0669887278E−26
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