Q189. Which of the following statement is incorrect:Physics — Dawn of Modern Physics — Question 189 of 217A. Photoelectric emission does not occur below the threshold frequencyB. The photoelectric current increases with the frequency of incident lightC. Threshold frequency depends on the metal usedD. The emission of photoelectrons is an instantaneous processPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →