Sarthaks Test
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The gravitational force between a H-atom and another particle of mass m will be given by Newton’s law:

F=G (M.m)/r2 , where r is in km and

(a) M = mproton + melectron.

(b) M = mproton + melectron  -B/C2(B = 13.6 eV).

(c) M is not related to the mass of the hydrogen atom.

= magnitude of the potential energy of electron in the H-atom).

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(b) M = mproton + melectron  -B/C2(B = 13.6 eV).

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