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6. The frequency of radiations emitted whenelectron falls fromn 4 to n1 in H-atomwould be (Given E, for H 2.18 x 10-18 Jatomand h 6.625 10-34 Js.)(a) 1.54 x 1015s (b) 1.03 x 1015 s-1(c) 3.08 x 1015 s (d) 2.0 x 1015 s-112004]

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