Answer: λₑ = 123pm; λₚ = 286pm
Step-by-step explanation:
λ= h/√2mE where E = Kinetic Energy.
λₑ = h/√2mₑE = 6.626 X 10^-33/√2 X 9.1 X 10⁻31 X 100 X 1.6 X 10^-19 = 123pm
λₚ = h/√2mₚE = 6.626 X 10^-33/√2 X 1.6 X 10⁻27 X 100 X 1.6 X 10^-19 = 286pm
Hope this helps!!!