Question

Calculate the electrostatic force between electron and proton in a Hydrogen atom, they
were separated by a distance of 5x10-11 m​

Answer 1

Explanation:

From Coulomb's inverse square law: F=

4πε

0

1

r

2

q

1

q

2

The magnitude of charge on electron and proton is the same =1.6×10

−19

C

Therefore, electrostatic force is given by

F=

(0.05×10

−9

)

2

9×10

9

×1.6×10

−19

×1.6×10

−19

=

(5×10

−11

)

2

9×1.6×1.6×10

−29

=

25×10

−22

9×1.6×1.6×10

−29

=0.9216×10

−29

×10

+22

=0.9216×10

−7

N

=9.216×10

−8

N

Answer 2

Refer to the attachment for answer

Hope it helps ❤️