If ( 9.9 mathrm{eV} ) energy is supplied to ( mathrm{H} ) atom, the no of spectral lines emitted is equal to :
(1) 0
(2) 1
(3) 2
(4) 3

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It ( 9 cdot 9 ) eV is supplicd
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begin{array}{l}

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]
( 9.9 e v<(13.6-3.4) )
these No trangation
thus No Spectral lines
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Ans=0
]

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