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2021-06-29 02:05:39
00:18:54
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candle academy pakistan
welcome to candle academy Pakistan. this is lecture 15 of chapter 19 atomic spectra class 12 Physics Fbise and all kpk boards.
in this lecture problems 19.1, 19.2, 19.3 and 19.4 are solved.
Problem 19.1
Find the shortest wavelength for non emitted in lyman series of hydrogen.
Problem 19.2
What is the wavelength of second line of paschen series?
Problem 19.3
Calculate the longest wavelength of radiation for paschen series.
Problem 19.4
The series limit wavelength of balmer series is emitted as the electron in the hydrogen atom falls from n=infinity to n = 2 state. What is the wavelength of this line? Where ∆E= to 3.4 electron volt.