Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s^-1. A) 1.76 × 10^-31 m B) 6.43 × 10^-37 m C) 2.85 × 10^-33 m D) 8.19 × 10^-32 m E) 5.30 × 10^-34 m

Question

Quizplus · Accepted Answer

The de Broglie wavelength can be calculated using the formula:

λ = h/mv

where λ is the wavelength, h is Planck's constant, m is the mass of the object, and v is the velocity.

Plugging in the values given:

λ = (6.626 × 10^-34 J s) / (0.01428 kg)(16.3 m/s)

λ = 2.85 × 10^-33 m

Therefore, the correct choice is C.

Calculate the De Broglie Wavelength of a Pen with a Mass