Calculate the number of waves made by a Bohr electron in one complete revolution in nth orbit of H e + ion, if ratio of de-Broglie wavelength associated with electron moving in n th orbit and 2 nd orb

Question

Calculate the number of waves made by a Bohr electron in one complete revolution in nth orbit of H e + ion, if ratio of de-Broglie wavelength associated with electron moving in n th orbit and 2 nd orbit is 2.0 :-

TestHub · Accepted Answer

n λ = 2 π r n λ = 2 × π × 0.529 × n 2 Z λ n = 2 π × 0.529 × n Z ------ (i) λ 2 = 2 π × 0.529 × 2 Z ------ (ii) Eq (i) ÷ (ii) λ n λ 2 = 2 = n 2 n = 4

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