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the threashold frequency v(0) for a meta...

the threashold frequency `v_(0)` for a metal is `7xx10^(14)s^(-1)` . Calculate the kinetic energy of an electron emitted when radiation of fequency `v = 1.0 xx 10^(15)s^(-1)` hits the metal .

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`1.988 xx 10^(-19) mol^(-1)`
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