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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2000
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Q)

When an electron do transition from n = 4 to n = 2, then emitted line in spectrum will be :


( A ) Second line of Paschen series
( B ) Second line of Balmer series
( C ) First line of Paschen series
( D ) first line of layman series

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