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Grade: 11
        
the wavelength of series limit of lyman series for He+ ion will be 
6 months ago

Answers : (1)

Arun
22974 Points
							
According to Rydberg formula,
1/lemda = RZ²[ 1/n1² - n2²] 
where R is Rydberg constant .

for any series limit n2 = ∞ 
then , 1/lemda = RZ²[ 1/n1² - 1/∞] 
1/lemda = RZ²/n1² 

1/lemda = R( Z/n1)²
 
Now youhave to just put thevalues. Hope it helps
6 months ago
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