If the metal has a threshold frequency of 990 x1014 hz what
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
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an electron is ejected from a metal with a velocity 778 x105 ms if the metal has a threshold frequency of 990 x1014 hz
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