Given, λ = 4000 pm = 4000×10-12 m = 4×10-9 m
E = Nhν = Nhc/λ Therefore, N = E×λ/h×c = (1J×4×10-9 m)/(6.626×10-34 Js×3.0×108 ms-1) = 2.012×1016 photons.
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now