Grade 11Physical Chemistry
what is the unit of ryderbergs constant and how is the derivation of ryderburgs constant get.
what is the unit of ryderbergs constant and how is the derivation of ryderburgs constant get.
1 Answer
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ryderberg’s constant has no unit it is a constant whose value is 1.1*10-15
it is calculated as;
we know that E=hc/lambda(wavelength)
and also energy of nth orbit =2.18*10-18 *Z2/N2 [z=atomic number and n=number of the orbit]’
by law of conservation of energy we can say that
E=hc/lambda(wavelength)=2.18*10-18 *Z2/N2
1/wavelength=2.18*10-18 *Z2/N2/hc
1/wavelength=1.1*10-15 *Z2/N2
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