In Bohr’s model of hydrogen atom, the ratio between the period of revolution of an electron in orbit n = 1 to the period of the electron in the orbit n = 2 is
A
1 : 2
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B
2 : 1
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C
1 : 4
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D
1 : 8
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Solution
The correct option is D 1 : 8 T1T2=(n1n2)3=(12)3=18 T1:T2=1:8