In a bohr''s model of atom when an electron, Chemistry

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In a Bohr's model of atom when an electron jumps from n= 1  to n= 3  , how much energy will be emitted or absorbed:

(1)  2.15 x10-11 erg                         

(2) 0.1911x 10-10erg       

(3) 2.389x 10-12erg                            

(4) 0.239x 10-10erg

Ans:  0.1911x 10-10erg

 


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