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He atom can be excited to 1s^(1)2p^(1)"...

He atom can be excited to `1s^(1)2p^(1)"by"lambda=58.44 nm` If lowest excited state foe He lies `4857cm^(-1)` below
the above . Calculate the energy for the lower excitation state

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The correct Answer is:
`3.3 x10 ^(-16)J`
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