Q146. Einstein's Photoelectric equation is Ek =hf -Φ in this equation Ek refers to:Physics — Dawn of Modern Physics — Question 146 of 217A. K.E of all the emitted electronsB. Mean K.E of emitted electronsC. Maximum K.E of emitted electronD. Minimum K.E of emitted electronsPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →