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| 1. |
Light of two different frequencies whose photonshave energies 1 eV and 2.5 eV respectivelyilluminate a metallic surface whose work functionis 0.5 eV successively. Ratio of maximum speedof emitted electrons will be:(1) 1: 4 (2) 1 2 (3) 1 1 (4) 1 5 |
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