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Class 11 NEET Physics Gravitation Questions

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Question : 13

Total: 83

The ratio of Coulomb's electrostatic force to the gravitational force between an electron and a proton separated by some distance is 2.4×1039. The ratio of the proportionality constant, K=‌

‌‌ to the Gravitational constant G is nearly (Given that the charge of the proton and electron each =1.6×10−19C, the mass of the electron =9.11×10−31‌kg, the mass of the proton =1.67×10−27‌kg ) :

10
1020
1030
1040

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