Light of two different frequencies whose photons have energies 1eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum kinetic energy of emitted electrons will be:
A
`1 : 5 `
B
`1 : 4 `
C
`1 : 2 `
D
`1 : 1 `
Text Solution
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The correct Answer is:
C
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