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According to Bohr's model of hydrogen atom, which of the following statement is incorrect ?

1. Radius of 4 th orbit is four times larger than that of 2 nd orbit
2. Radius of 6 th orbit is three times larger than that of 4 th orbit
3. Radius of 8 th orbit is four times larger than that of 4 th orbit
4. Radius of 3 rd orbit is nine times larger than that of 1 st orbit

Correct answer: Radius of 6 th orbit is three times larger than that of 4 th orbit

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