Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • What is the number of photons of light with a wavelength of 4000 pm that provide 1J of energy?

What is the number of photons of light with a wavelength of 4000 pm that provide 1J of energy?

Answers (1)

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.

Posted by

Sumit Saini

View full answer

Similar Questions

Latest Question