= ħ for minimal simultaneous uncertainties in the2. Using the back of the envelope estimate that o„0pposition and momentum of the electron along the radial direction with respect to the proton in a hydrogenatom, where the proton is considered to be infinitely massive and stationary at the origin: Estimate theground state energy of the hydrogen atom. Remember that in the ground state, there is no contribution tokinetic energy due to the angular momentum of the electron.

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Answered: 2. Using the back of the envelope…

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