What is the mass in kg of a particle traveling at 171 m/s if it has a wavelength of 2.51x10-38m?

1 Answer
Jan 31, 2018

153kg

Explanation:

Using De Broglie wave equation,

lambda= h/(mv)

Where h= Planck's constant
m= mass of particle
v= velocity
lambda= wavelength

2.51xx10^-38=(6.6xx10^-34)/(mxx171)

m=(6.6xx10^-34)/(171xx2.51xx10^-38)

m=153kg