Question:
4 All the three are possible 5 Sodium and copper have work
Last updated: 6/13/2023
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4 All the three are possible 5 Sodium and copper have work functions 2 3 eV and 4 6 eV respectively Then the ratio of their threshold wavelengths is nearest to 2 2 1 4 4 1 1 1 2 3 1 4