An electron is moving with the speed of 1780 m/s.What is its de Broglie wavelength? (m_electron = 9.11 × 10^-31 kg,h = 6.626 × 10^-34 J ∙ s) A)409 nm B)302 nm C)205 nm D)420 nm E)502 nm

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The de Broglie wavelength is calculated using the formula λ = h / (mv). Substituting the given values: λ = 6.626 × 10^-34 J∙s / (9.11 × 10^-31 kg × 1780 m/s) = 4.09 × 10^-7 m = 409 nm.

An Electron Is Moving with the Speed of 1780 M/s