Chemistry Sec 1 Maximum Marks 24 This section has 6

Last updated: 7/3/2023

Chemistry Sec 1 Maximum Marks 24 This section has 6 questions The answer to each question is a SINGLE DIGIT INTEGER ranging from 0 to 9 both inclusive Marking scheme o 4 If the correct integer is typed in the provided space o 0 In all other cases Light from a discharge tube containing hydrogen atoms falls on the sodium metal surface The kinetic energy of the fastest moving photoelectron emitted from sodium is 0 73eV If these photons are emitted in hydrogen atom due to the transition from energy 1 to n and the work function of sodium metal is 1 82eV then the minimum value of 1 1 is