When a certain metal was irradiated with...

When a certain metal was irradiated with a light of `8.1xx10^16`Hz frequency the photoelectron emitted had 1.5 times the kinetic energy as did the photoelectrons emitted when the same metal was irradiated with light `5.8xx10^16`Hz frequency if the same metal is irradiated with light 3.846 nm wavelength what will be the kinetic energy of the photoelectron emitted?

`1.8xx10^2`eV

`3.65xx10^-17`J

`2.28xx10^2`eV

`4.37xx10^-17`J

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