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Arunav Nag Grade: 11
        












































In two H-atoms their electrons are moving in 1st state and in 1st excited state respectively, ratio of time periods will be
1 : 8
1 : 4
1 : 2
2 : 1








6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

time period =T=2pir/v                       ( r is radius of orbit,v is velocity of elctron)


 


v is inversly proportional to n


r is directly proportional to n2


 so time period (T) is directly proportionla to n3 ....


  for  1 state n =1  , for first exited state n=2


    T1/T2= (n1/n2)3


      T1/T2= 1/8     


first option is correct

6 years ago
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