. The average life time of an excited state of hydrogen is of the order of
10–8 s. The number of orbits an electron makes, when it is in the state n = 2 (before it starts a transition to a lower state) will be (take T0 to be time period of revolution in ground state in s.)
A. (8/T0) × 10–8
B. T0 × 10–8
C. 10–8/(8T0)
D. T0 /8 × 10–8
Best Answer
Ans: C
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