0
7.7kviews
Calculate the frequency and wavelength of photon whose energy is 75eV .
1 Answer
0
999views

Given Data:- :- E=75eV=75×1.6×10(19)=1.20×10(17)

Formula :- E=12mv2,λ=hmv=hp

Calculations :- E=mv22m=(mv)22m=h22mλ2

λ=h2mE=6.63103429.110311.201017=1.41Ao

Wavelength = 1.41Ao

frequency = $\frac {1}{\lambda} = 7.048 * …

Create a free account to keep reading this post.

and 4 others joined a min ago.

Please log in to add an answer.