The ratio of electric force between two electrons to the gravitational force between them is of the order of

Question

The ratio of electric force between two electrons to the gravitational force between them is of the order of (A) 1042 (B) 1039 (C) 1036 (D) 1

Tardigrade Admin · Accepted Answer

Calculate electrostatic force and gravitational force taking mass of electron ≃ 9.1 × 10-31 kg, mass of proton ≃ 1.6 × 1027 kg and the charges on them as 1.6 × 10-19C.

Q. The ratio of electric force between two electrons to the gravitational force between them is of the order of

$1 0^{42}$

$1 0^{39}$

$1 0^{36}$

1

Calculate electrostatic force and gravitational force taking mass of electron $≃$ $9.1 \times 1 0^{- 31}$ kg,
mass of proton $≃$ $1.6 \times 1 0^{27}$ kg and the charges on them as $1.6 \times 1 0^{- 19}$ C.

Q. The ratio of electric force between two electrons to the gravitational force between them is of the order of

1042

1039

1036

1

Calculate electrostatic force and gravitational force taking mass of electron ≃ 9.1×10−31 kg, mass of proton ≃ 1.6×1027 kg and the charges on them as 1.6×10−19C.

$1 0^{42}$

$1 0^{39}$

$1 0^{36}$

Calculate electrostatic force and gravitational force taking mass of electron $≃$ $9.1 \times 1 0^{- 31}$ kg,
mass of proton $≃$ $1.6 \times 1 0^{27}$ kg and the charges on them as $1.6 \times 1 0^{- 19}$ C.