What is the ratio of electrostatic force

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Target Exam

CUET

Subject

Physics

Chapter

Electric Charges and Fields

Question:

What is the ratio of electrostatic force to gravitational force between an electron and a proton in an atom (approximately)?

Options:

1.8 x 10³⁹

1.2 x 10³⁹

2.4 x 10³⁹

6.5 x 10³⁹

Correct Answer:

2.4 x 10³⁹

Explanation:

Memory Point !!

The ratio of electrostatic force to gravitational force between an electron and a proton in an atom is about 2.4 x 10³⁹ .