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i need it asap. thank you Table 2 shows work function, of three different metals. Photon with a wavelength of 420 nm is incident on

i need it asap. thank you

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Table 2 shows work function, of three different metals. Photon with a wavelength of 420 nm is incident on each of these metals. Metal Work function, co (ov) Lithium 2.30 Beryllium 3.90 Platinum 6.35 Table 2 L. Calculate the energy of the photon. Give the answer in electron volts. (3 marks) Which of these metals emit photoelectrons in response to the photon? Explain your answer (2 marks]

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