Question

Electron plasma wave are propagated in.a uniformed plasma kte=100eV, n=10^18 m^_3 and B=0. If the frequency is 1.1GHz. What is the wavelength in cm?

Answer 1

Answer:

$v=m2Kλ=fv=f1m2Kλ=1.1⋅1091 \\ 9.11⋅10−312(100)(1.6⋅10−19 \\ )=0.00539 m$