The minimum frequency of light that causes photoelectric emission from a metal surface is 6.4 x 10¹⁴Hz . When the surface is irradiated with a...

The minimum frequency of light that causes photoelectric emission from a metal surface is 6.4 x 10¹⁴Hz . When the surface is irradiated with a certain source , electrons are dislodged With a speed of 7.2 x 10⁵m/s.Given that h = 6.63 x 10^-34Js and m = 9.11 x 10^-31kg , calculate
i) The work function of the metal
ii) The maximum kinetic energy of the photoelectrons

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Kavungya answered the question on November 4, 2019 at 14:05

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