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

question 51

Multiple Choice

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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