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In Bohr's model of hydrogen atom, radius of the first orbit of an electron is . Then, radius of the…
In Bohr's model of hydrogen atom, radius of the first orbit of an electron is $r_0$. Then, radius of the third orbit is:
- (a)$\frac{r_0}{9}$
- (b)$r_0$
- (c)$3 r_0$
- (d)$9 r_0$
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From ISC 2018 Physics Paper 1, question 1(A)(v).