Determine electron if the uncertainty in velocity, Chemistry

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For an electron if the uncertainty in velocity is  Δ v , the uncertainty in its position( Δ x )  is given by:

(1) hm/ 4 Π Δ b                           

(2) 4  Π / hm  Π v             

(3) h/ 4  Π  Π b               

(4) 4  Π   m / h Δ  v

ans: h/ 4  Π Δ b     

 


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