Light of two different frequencies whose photons have energies 1 eV and 2 5 eV respectively illuminate a metallic surface whose

Question

Light of two different frequencies whose photons have energies 1 eV and 2 5 eV respectively illuminate a metallic surface whose work function is 0 5 eV successively Ratio of maximum speeds of emitted electrons will be 1 1 5 3 1 2 AIPMT Prelims 2011 2 1 4 4 1 1

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