In a certain experiment, when light of wavelength 570 nm is directed on to the photocell, electrons are emitted at the rate of 6.6 10-13 Coulombs/sec. Assume that each photon that impinges on the photocell emits one electron.
How many photons per second are striking the photocell?
1 answer
number electrons emitted= chargegiven/chargeononeelectron
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