Calculate the shortest frequency, longest \( \lambda \) and the minimum photon energy which will... VIDEO
Calculate the shortest frequency, longest \( \lambda \) and the minimum photon energy which will remove the 2 nd electron of \( \mathrm{He} \)-atom with a velocity of \( 10^{5} \) metre \( \sec ^{-1} \). [Given \( E_{1} \) for \( \mathrm{H} \) \( =-13.6 \mathrm{eV}] \)https://bit.ly/YTAI_PWAP https://www.pw.live
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