• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Question related to photoelectric emission

Messages
160
Reaction score
5
Points
0
Can anyone here help me out solving this question?

1. Calculate the energy range, in eV, of photons in visible region of the electromagnetic spectrum (wavelengths 400nm-7--nm).
(Planck constant h = 6.6 X 10^34 Js; speed of light c = 3.0 X 10^8m/s; electron charge e = -1.6 X 10^(-19) C)
:cry:
 
Top