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Q. The Rydberg's constant for hydrogen is 1.097 X 107 ms-1. Calculate the shortest wavelength limit of Lyman series.
Data : R = 1.097 × 107 m-1
For small wavelength limit of Lyman Series,
n1 = 1, n2 = ∞, λs = ?
Solution: The wave number for Lyman series is as
For small wavelength limit
The total number of neutrons in dipositive zinc ions with mass number 70 is: (1) 34 (2) 40 (3) 36 (4) 38 Ans:40
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