A metal surface ejects electrons when hit by green light but none when hit by yellow light. The elec

Question

A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit by

Professor PC Thomas Classes · Answer

(a): The photoelectric emission is possible if the wavelength of the incident light is less than that of yellow light. The wavelength of blue light is lesser than that of yellow light, electrons will be emitted.