JEE PHYSICS MCQ: ATOMS

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If an electron is moving in the

n\,th

orbit of the hydrogen atom, then its velocity

{V_n}

for the

n\,th

orbit is given as

View answer and explanation

Correct option: B

{v_n} \propto \frac{1}{n}

Option B (

{v_n} \propto \frac{1}{n}

) is correct because the velocity of an electron in the nth orbit of a hydrogen atom is inversely proportional to the principal quantum number n.

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n

=2

{n}=1

\lambda_0

\lambda_0

{R_H} = 1.097\,\, \times \,\,{10^7}\,\,m