The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...

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PW Solutions
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Frequency (2001)
Duration: 2:57
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The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of corresponding line emitted by singly ionised helium atom is:
(a) \( 2 v_{\mathrm{o}} \)
(b) \( 4 v_{\mathrm{o}} \)
(c) \( v_{0} / 2 \)
(d) \( v_{\mathrm{o}} / 4 \)
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