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pallavi pradeep bhardwaj Grade: 12
        

An electron and a proton are lying 10 cm apart The ratio of electrostatics force and gravitational force between them will be

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

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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Badiuddin

7 years ago
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