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The electron in a hydrogen atom makes a transition from n = n1 to n = n2 state. The time period of the electron in the initial state is eight times that in the final state. The possible values of n1 and n2 are

a
n1=4,n2=2
b
n1=8,n2=2
c
n1=8,n2=3
d
n1=6,n2=2

detailed solution

Correct option is A

T2∝r3 and r∝n2⇒T2∝n6⇒T∝n3T1T2=n1n23⇒8=n1n23 or n1n2=2only (a) satisfies the above, hence this is right choice.

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