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The radius of electron's second stationary orbit in Bohr's atom is \(R\). The radius of 3rd orbit will be:

Q1

The radius of electron's second stationary orbit in Bohr's atom is \(R\). The radius of 3rd orbit will be:

a

\(
R / 3
\)

b

\(
2.25 R
\)

c

\(
3 R
\)

d

\(
9 R
\)

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