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NEET2016ChemistryStructure of AtomActual

According to Bohr's theory, which of the following correctly represents the variation of energy and radius of an electron in n^ th orbit of H -atom?

Options

  1. AE_n 1 n^2 , r 1 n^2
  2. BE_n 1 n^2 , r n^2
  3. CE_n n^2, r n^2
  4. DE_n n, r 1 n

Correct answer

B. E_n 1 n^2 , r n^2

Step-by-step solution

According to Bohr's theory, r= n^2 h^2 4 ^2 m Z e^2 k and E_n= -k^2 2 ^2 m Z^2 e^4 n^2 h^2

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