The de Broglie equation predicts that the wavelength (in m) of a proton moving at 1000. m/s is A) 3.96 × 10^-10 m. B) 3.96 × 10^-7 m. C) 2.52 × 10⁶ m. D) 2.52 × 10⁹ m. E) 10¹⁰ m.

Question

The de Broglie equation predicts that the wavelength (in m) of a proton moving at 1000. m/s is A) 3.96 × 10^-10 m. B) 3.96 × 10^-7 m. C) 2.52 × 10⁶ m. D) 2.52 × 10⁹ m. E) > 10¹⁰ m.

Quizplus · Accepted Answer

The de Broglie wavelength is calculated using λ = h / (mv), where h is Planck's constant (6.626 × 10^-34 Js), m is the mass of the proton (1.67 × 10^-27 kg), and v is the velocity (1000 m/s). This gives a wavelength of approximately 3.96 × 10^-10 m.

The De Broglie Equation Predicts That the Wavelength (In M)