In a photoelectric effect experiment ir...

In a photoelectric effect experiment irradiation of a metal with light of frequency `5.2 xx 10^(14) s^(-1)` yields electrons with maximum kinetic energy `1.3 xx 10^(-19) J`. Calculate the threshold frequency `(v_(0))` for the metal.

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The correct Answer is:

`3.2xx10^(14)sec^(-1)`.

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