Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
How many photons are produced in a laser pulse of 0.324 J at 631 nm?Asked by Anonymous
How many photons are produced in a laser pulse of 0.308 J at 401 nm?
Answers
Answered by
oobleck
each photon has energy of E = hv = h * c/λ
so, you will have
0.308 * λ/(hc)
so, you will have
0.308 * λ/(hc)