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Questions  

In an hydrogen atom, the electron revolves around the nucleus in an orbit of radius 0.53 x 10-10m. Then the electrical potential produced by the nucleus at the position of the electron is

a
-13.6 V
b
-27.2 V
c
27.2 V
d
13.6 V

detailed solution

Correct option is C

V=9×109×Qr=9×109×+1.6×10-190.53×10-10=27.2 V

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A positive charge q and a negative charge -q are placed at x = -0 and x = + a respectively. The variation of V along X - axis is represented by the graph.


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