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NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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If the radius of the 3rd {3^{{\text{rd }}}} Bohr's orbit of hydrogen atom is r3{r_3} and the radius of 4th{4^{{\text{th}}}} Bohr's orbit is r4.{r_4}. Then:
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Correct option: B
r4=169r3{r_4} = \frac{{16}}{9}{r_3}
Option B (r4=169r3){r_4} = \frac{{16}}{9}{r_3}) is correct because the radius of the nth Bohr orbit is proportional to n2n^2.

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