Physics · Electrostatics
Suppose the charge of a proton and an electron differ slightly. One of them is -e, and the other is (e + Δe). If the net force (electrostatic and gravitational) between two hydrogen atoms placed at a distance d (much greater than atomic size) apart is zero, then Δe is of the order of: [Given mass of hydrogen atom mh = 1.67 × 10-27 kg]
- 110-20 C
- 210-47 C
- 310-37 C✓
- 410-23 C
Correct answer
10-37 C
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