Light of wavelength 4000 Å falls on the surface of cesium. Calculate the energy of the photoelectron emitted. The critical wavelength for photoelectric effect in cesium is 6600 Å.

Light of wavelength 4000 Å falls on the surface of cesium. Calculate

1.	Light of wavelength 4000 Å falls on the surface of cesium. Calculate the energy of the photoelectron emitted. The critical wavelength for photoelectric effect in cesium is 6600 Å.
Answer» SOLUTION :`1.95 XX 10^(-19)` JOULE