if an electron of hydrogen atom shift from 1 to 4. Calculate wavelength and wavenumber for this transition
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1
Answer:
Correct option is
B
Visible region
Let,
wave number =RH[(n1)21−(n2)21]
On substituting n1=2,n2=4,RH=109678 in equation,
wave number =109678×163
Also, λ=wavenumber1
or λ=406nm
Hence, visible region is the answer
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