Question

What is the electrostatic force between 2 protons in a nucleus if they are separated by a distance of 8*10-18 m ??

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12th

Physics

Electric Charges and Fields

Coulomb's Law and Its Applications

Calculate the electrostatic...

PHYSICS

Asked on December 26, 2019 byInayat Ilyas

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 1.6×10−9C.

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From Coulomb's inverse square law: F=4πε01r2q1q2

The magnitude of charge on electron and proton is the same =1.6×10−19C

Therefore, electrostatic force is given by

F=(0.05×10−9)29×109×1.6×10−19×1.6×10−19

=(5×10−11)29×1.6×1.6×10−29

=25×10−229×1.6×1.6×10−29

=0.9216×10−29×10+22

Explanation:

I hope this will help you.