A #200 W# power source emits monochromatic light of wavelength #4950 Angstrom#. How many photons per minute are emitted by the source? [Given: #h = 6.6 xx 10^-34 Js#]
1 Answer
Mar 22, 2017
The number of photons
Explanation:
Energy of 1 photon is
Energy, power and time are related by
Number of photons