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An electron and a proton are lying 10 cm apart.The ratio of electrostatics force and gravitational force between them will be

An electron and a proton are lying 10 cm apart.The ratio of electrostatics force and gravitational force between them will be

Grade:12

1 Answers

Ramesh V
70 Points
12 years ago

Fg = Gm1m2/r2

Fe = kq1q2/r2

K=9.0x109
G=6.67x10-11
Mass of proton aprox: 1.672x10-27 kg
Charge of a proton:    1.602x10-19

Mass of electron aprox:  9.1x10-31 kg
Charge of a electron:    -1.602x10-19

Fe/Fg = Gm1m2/kq1q2/

         =4.4x10-40

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Regads

Ramesh


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