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10-04-2024
Physics

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Light of frequency 6. 4 x 10¹⁴ Hz is incident on a metal of work function 2. 14 eV. The maximum kinetic energy of the emitted electrons is about :
(a) 0. 25 eV
(b) 0. 51 eV
(c) 1. 02 eV
(d) 0. 10 eV

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