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The light of two different frequencies whose photons have energies 3.8 eV and 1.4 eV respectively, illuminate a metallic surface whose work function is 0.6 eV successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectively will be

1. 1 : 1
2. 2 : 1
3. 4 : 1
4. 1 : 4

Correct answer: 2 : 1

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