MDCAT Chemistry MCQ #764

Calculate the de Broglie wavelength of an electron moving at 10% of the speed of light.

MDCAT Chemistry MCQ #764

  1. Question 1

    Q1. Calculate the de Broglie wavelength of an electron moving at 10% of the speed of light.

    • A) 0.024 nm
    • B) 0.242 nm
    • C) 0.048 nm
    • D) 0.012 nm

    Answer: 0.242 nm

    Explanation: λ = h/mv, v = 0.1c, λ = 0.242 nm. Option A is for v=c.