An electron and a proton are getting attracted towards each other by the virtue of internal electrostatic attraction. In the process, assuming infinity as our reference point, the P.E of the proton-electron system-

Increases

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Decreases

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Remains the same

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First increase then decrease

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Solution

The correct option is B
Decreases

In process, the work done by internal conservative force is positive, which implicates that the potential energy of the electron - proton system must decrease.

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Similar questions

Q. A proton and an electron are attracted towards each other .Will their P.E increase or decrease ?

Q. The electrostatic force of attraction between a proton and an electron in a hydrogen atom
corresponds to which component of energy possessed by the electron?

I learnt this in atoms and molecules chapter "Two protons will also tend to repel each other because they both have a positive charge. On the other hand, electrons and protons will be attracted to each other because of their unlike charges."but I have a doubt, that is, if protons can attract electrons,then why electrons in the atom is revolving around the protons and not attracting it.

Q. Calculate the electrostatic force of attraction between a proton and an electron in a hydrogen atom. The radius of the electron orbit is 0.05 nm and charge on the electron is

1.6 \times 10^{- 9} C .

Why the electrons in nucleus do not get attracted by protons but revolve around nucleus.

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An electron and a proton are getting attracted towards each other by the virtue of internal electrostatic attraction. In the process, assuming infinity as our reference point, the P.E of the proton-electron system-

The correct option is B Decreases In process, the work done by internal conservative force is positive, which implicates that the potential energy of the electron - proton system must decrease.

The correct option is B
Decreases

In process, the work done by internal conservative force is positive, which implicates that the potential energy of the electron - proton system must decrease.