Electrostatics

Question: The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance \[5 \times {10^{ - 11}}m,\] will be (Charge on electron = $1.6 \times 10^{–19} C$, mass of electron = $9.1 \times 10^{–31}$ kg, mass of proton = \[1.6 \times {10^{ - 27}}kg,\] \[\,G = 6.7 \times {10^{ - 11}}\,N{m^2}/k{g^2})\]

1) $2.36 \times 10^{39}$

2) $2.36 \times 10^{40}$

3) $2.34 \times 10^{41}$

4) $2.34 \times 10^{42}$

Solution:

Explanation: 1e

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