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When a metallic surface is illuminated by a light of frequency 8 10 4 Hz...

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When a metallic surface is illuminated by a light of frequency 8 10 4 Hz photoelectron of maximum energy 0 5eV is emitted When the same surface is illuminated by light of frequency 12 10 4 Hz photoelectron of maximum energy 2eV is emitted The work function is in eV

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