Asked by Austin
                Calculate the speed of electrons in meters per second if their characteristic wavelength is 543 pm.
            
            
        Answers
                    Answered by
            Arora
            
    From the De Broglie equation, 
λ = h/p
=> p = h/λ
=> mv = h/λ
=> v = h/(λm)
Put in the values of h (planck's constant), λ (given wavelength) and m (mass of an electron)
    
λ = h/p
=> p = h/λ
=> mv = h/λ
=> v = h/(λm)
Put in the values of h (planck's constant), λ (given wavelength) and m (mass of an electron)
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