Q. 144.3( 7 Votes )

# Find the ratio of

Answer :

__Given:__

Mass of proton,

Charge on proton,

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**Formula used:**

By Coulomb’s law, the electric force is given by:

Where ϵ_{0} is the permittivity of free space

k is the electrostatic constant

q_{1} and q_{2} are the magnitude of charges

r is the distance of separation between the charges

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**Formula used:**

By Newton’s law of gravitation, the gravitational force is given by:

Where G is the Gravitational constant

m_{1} and m_{2} are the magnitude of charges

r is the distance of separation between the masses

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The electric force is given by:

The gravitational force is given by:

Dividing (2) by (1), we get

Hence the ratio of electric force to gravitational force between two protons is about 1.23 × 10^{36.}

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