Q8. In hydrogen like system the ratio of coul0mbian force and gravitational force between an electron and a proton is in the order of : (1) $10 ^ { 39 }$ (2) $10 ^ { 29 }$ (3) $10 ^ { 19 }$ (4) $10 ^ { 36 }$
Q8. In hydrogen like system the ratio of coul0mbian force and gravitational force between an electron and a proton is in the order of :\\
(1) $10 ^ { 39 }$\\
(2) $10 ^ { 29 }$\\
(3) $10 ^ { 19 }$\\
(4) $10 ^ { 36 }$