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Calculate the radius of Bohr’s fifth orbit for hydrogen atom

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#### Solution

Radius of Bohr’s n^{th} orbit for hydrogen atom is given by,

r_{n} = (0.0529 nm) n^{2}

For, n = 5

r_{5} = (0.0529 nm) (5)^{2}

r_{5} = 1.3225 nm

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