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TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

Section: Physics

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Question : 115

Total: 160

A beam of photons with an energy of 10.5 eV strike a metal plate. The photoelectrons are emitted with maximum velocity of 1.6 x 106 m /s. The work function of the metal is
(Assume mass of electron = 9 x 10−31 kg and Charge of electron = 1.6 x 10−19C)

3.0 eV
3.1 eV
3.3 eV
3.5 eV

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