Assume in specific conditions only those transitions are allowed to hy – McqOptions

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1.	Assume in specific conditions only those transitions are allowed to hydrogen atoms in which the principal quantum number n changes by 2. Find the smallest wavelength emitted by hydrogen and wavelength emitted by hydrogen in the visible range (380 nm to 780 nm). respectively (in nm)
A.	103, 487
B.	123, 532
C.	211, 410
D.	320, 435
Answer» B. 123, 532

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