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Potential energy function describing the interaction between two atoms of a diatomic molecule is $U(r)=a/r^{12} - b/r^6$.Force acting between them will be zero when the distance between the would be?

options are




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Answer: The correct option is c
If $F = 0$  then $a/y^{12} - b/r^6 = 0$
on simplifying we get,  $(a/b)^{\large\frac{1}{6}}$. Therefore C is the correct option


answered Sep 2, 2013 by pady_1
edited Sep 2, 2013 by balaji.thirumalai

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