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0 votes
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in Physics by (79.8k points)

The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series tor a hydrogen like ion. The atomic number Z of hydrogen like ion is

(a) 3

(b) 4

(c) 1

(d) 2

1 Answer

+1 vote
by (83.4k points)
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Best answer

The correct option is (d) 2.

Explanation:

The wavelength of the first line of lyman series for hydrogen atom is

The wavelength of the second line of Balmer series for hydrogen like ion is

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