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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