Question: The work function for zinc metal is 6 . 9 1 0 - 1 9 J . ( a ) Calculate the maximum wavelength of

The work function for zinc metal is 6.910-19 J.(a) Calculate the maximum wavelength of electromagnetic radiation that will just case an electron to be emitted from a zinc surface.(b) what would happen if radiation of wavelength 136 nm was shone on the zinc surface? (c) What is meant by stopping potential?

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