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Grade 12Physical Chemistry

Calculate the wavelength of an electron moving with a velocity of 2.05 × 107 m s–1.

Profile image of sudhanshu
12 Years agoGrade 12
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1 Answer

Profile image of Gaurav
11 Years ago
According to de Broglie’s equation,
\lambda =\frac{h}{mv}
Where,
λ =wavelengthofmovingparticle
m = mass of particle
v = velocity of particle
h = Planck’s constant
Substituting the values in the expression of λ:
we get
λ=3.548 × 10-11m.