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the distance between electron and proton in an hydrogen atom is 0.53 angstrom. find the speed and frequency of revolution of electron around the proton?

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Q. A hydrogen atom contains one proton and one electron. It may be assumed that the electron revolves in a circle of radius 0.53 angstrom (1 angstrom = 10⁻¹⁰ m and is abbreviated as Å) with the proton at the centre. The hydrogen atom is said to be in the ground state in this case. Find the magnitude of the electric force between the proton and the electron of a hydrogen atom in its ground state.

Q. In a hydrogen atom, the electron and proton and bound at a distance of about 0.53 A.
Estimate the potential energy of the system in eV, taking the zero of potential energy at infinite separation of electron from proton.

Q. The space between proton and electron in hydrogen atom is :

Q. The gap between electron and nucleus(proton) in hydrogen atom is:

Q. In a hydrogen atom, the electron and proton and bound at a distance of about 0.53 A. What is the minimum work required to free the electron, given that its kinetic energy in the orbit is half the magnitude of potential energy obtained? Taking the zero of the potential energy at infinite separation of the electron from proton

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