Which of the following graphs in the figure s | vedclass

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(B) According to Bohr's theory of the hydrogen atom,the speed $(v)$ of an electron in the $n^{th}$ orbit is given by the relation: $v \propto \frac{1}

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$B$

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(B) According to Bohr's theory of the hydrogen atom,the speed $(v)$ of an electron in the $n^{th}$ orbit is given by the relation: $v \propto \frac{1}{n}$.This indicates that the speed of the electron is inversely proportional to the principal quantum number $(n)$.As the value of $n$ increases,the speed $(v)$ decreases.Looking at the provided graph,curve $B$ shows a decreasing trend as $n$ increases,which matches the relationship $v \propto \frac{1}{n}$.Therefore,graph $B$ correctly represents the speed of an electron as a function of the principal quantum number.

Which of the following graphs in the figure shows the speed $(v)$ of an electron in a hydrogen atom as a function of the principal quantum number $(n)$?

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