Question

2. Calculate the longest wavelength of light that would be needed to remove an electron
from the third orbit of He+ ion.
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Answer 1

Answer:

Bohr orbit of He⊕ ∴λ=hcΔE=(6.626×10-34)(3×108)9.67×10-19=2.055×10-7 metres.

Answer 2

Answer:

question is only wrong