### Region of spectrum for electromagnetic radiation

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##### Reference no: EM132049771

An electron in hydrogen atom in the level n = 5 undergoes atransition to level n = 2:

Given: RH = 1.09 X 10 7 m-1    h = 6.627 X 10-34 J. s.   C = 2.99 X 10 8 m/s

Mass of electron = me = 9.11 X 10 -31 kg     J = kg m2 / s2

A: What would be the region of spectrum for electromagnetic radiation?

B: Find the speed of this electron?

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