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In a photocell bichromatic light of wave...

In a photocell bichromatic light of wavelength `2475 Å` and `6000 Å` are incident on cathode whose work function is `4.8 eV`. If a uniform magnetic field of `3 xx 10^(-5) Tesla` exists parallel to the plate , the radius of the path describe by the photoelectron will be (mass of electron ` = 9 xx 10^(-31) kg`)

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