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mistry 10 Mathematic 30 English 5 Qs A beam of electromagnetic waves with a frequency...

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mistry 10 Mathematic 30 English 5 Qs A beam of electromagnetic waves with a frequency of 6 28 x 10 15 Hz incident on a metal surface What is the maximum kinetic energy of the photoelectro emitted from the meta s surface if the work function of the metal is 4 0 eV Planck s constant 4 14 x 10 15eV s O A 22 eV O B 2 28 Ev O C 30 eV D 28 eV

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