# An electron has a wavelength of 239 nm. Find its momentum. Planck’s constant is 6.63*10^-34?

##### 1 Answer

Nov 27, 2014

λ = h/p

There are three symbols in this equation:

a) λ stands for the wavelength of the particle

b) h stands for Planck's Constant

c) p stands for the momentum of the particle

λ = 239 x

h = 6.63 x

p = h / λ

p = 6.63 x

**p** = 0.0277 x