NEET Class neet Answered
please answer this
Asked by Prashant DIGHE | 13 Jan, 2020, 10:24: PM
Expert Answer
Moseley's law for frequency ν of Kα line for an element of atomic number is given by,
√ν = a ( Z-1 ) ; hence we have λ2 is inversely proportional to (z-1)
If λ29 is wavelength of Kα line of atomic number z = 29 and λ43 is that of atomic number z = 43, then we have
( λ29 / λ43 ) = (42/28)2 = 9/4
Hence we get, λ29 = (9/4)λ43
Answered by Thiyagarajan K | 14 Jan, 2020, 10:09: AM
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