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Atoms and Nuclei question

2011 · Shift 1 · Q58

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JEE Advanced
Physics
Atoms and Nuclei
2011 · Shift 1 · Q58

Atoms and Nuclei question

2011 · Shift 1 · Q58

JEE AdvancedPhysicsAtoms and NucleiMCQ+3 / −1

The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561

\mathop A\limits^o

. The wavelength of the second spectral line in the Balmer series of singly-ionized helium atom is

A
1215 $\mathop A\limits^o$
B
1640 $\mathop A\limits^o$
C
2430 $\mathop A\limits^o$
D
4687 $\mathop A\limits^o$

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