57 Physics By Gk Scientist Nov 20, 2023 A metal has a definite work function. Why do photo-electrons not come out all with the same energy even if irradiated with monochromatic light?
72 Physics By Gk Scientist Nov 20, 2023 What is so special about e/m that we usually measure its value rather than the value of e or m separately.
62 Physics By Gk Scientist Nov 20, 2023 Explain why a discharge tube appears dark when evacuated to a very low pressure.
