Consider the n = 3 orbit of He⁺. Using the non-relativistic Bohr model, find the electron speed. Take k = 9 × 10⁹ N m² C⁻², Z = 2 and h = 6.6 × 10⁻³⁴ J s.
Options

Question

Consider the n = 3 orbit of He⁺. Using the non-relativistic Bohr model, find the electron speed. Take k = 9 × 10⁹ N m² C⁻², Z = 2 and h = 6.6 × 10⁻³⁴ J s.

G1 Physics · Accepted Answer

In the Bohr model, vₙ ∝ Z/n and Eₙ = −13.6Z²/n² eV. Insert the stated atomic number and orbit number. Final: A: 1.46 × 10⁶ m s⁻¹.