CBSE Class 12-science Answered
In an atom energy of electron in nth orbit is En = -13.6z2/n2ev, where zis atomic number.
What is the shortest & longest wave length of emitted radiation n in singly ionized He+.
Asked by Sudheer Nair | 28 Feb, 2012, 01:57: PM
Expert Answer
lamda = wavelength
1/(lamda) = R(1/nf2 -1/ni2)
nf is 2 in He + for shortest wavelength
ni is infinity
and
nf is 3 in He + for longest wavelength
Answered by | 02 Mar, 2012, 10:28: AM
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