calculate force of gravitational attraction between a proton and an electron kept 1m apart in vacuum . Also calculate electrostatic force between them . Find the ratio of the two forces which of the two forces is a strong force and by how much time is strong ?
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Compare the electrostatic force between an electron and proton separated by 0.530 × 10−10 m with the gravitational force between them. This distance is their average separation in a hydrogen atom.
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