Light of two different frequencies whose photons have \( 1 \mathrm{eV} \) and \( 2.5 \mathrm{eV}...

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Light of two different frequencies whose photons have \( 1 \mathrm{eV} \) and \( 2.5 \mathrm{eV} \) energy respectively illuminate a metallic surface whose work function is \( 0.5 \mathrm{eV} \). What is the ratio of maximum speeds of emitted electrons?
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