Find the velocity (in m/s) of an electron emitted by a metal whose threshold frequency is 2.25X10^14s^-1 when it is expo

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answerhappygod
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Find the velocity (in m/s) of an electron emitted by a metal whose threshold frequency is 2.25X10^14s^-1 when it is expo

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Find the velocity (in m/s) of an electron emitted by a metalwhose threshold frequency is 2.25X10^14s^-1 when it is exposed tovisible light of wavelength 5.00X10^-7m.
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