An electron has kinetic energy, Chemistry

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An electron has kinetic energy 2.8 x 10 -23J . de-Broglie wavelength will be nearly:

(me: 9.1 x 10 -31 kg)

(1) 9.28x 10-4m                

(2) 9.28 x10-7 m               

(3)  9.28 x 10 -8m              

(4) 9.28x 10 -10 m

Ans:(c) 9.28 x 10 -8m

 


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