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An electron and a proton are lying 10 cm apart The ratio of electrostatics force and gravitational force between them will be
Dear pallavi
me =9.1 * 01-31
mp = 1.6 * 10-27
qe = -1.6 *10-19
qp =1.6 *10-19
Fg =Gmemp/(10)2
Fe =1/4∏ε qeqp/(10)2
Fe/Fg = (1/4∏ε) qeqp /Gmemp
= 9*109 *(1.6 *10-19)2/(6.67*10-11 * 9.1 * 10-31 *1.6 * 10-27 )
=.23 * 10 40
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