If value of threshold wavelengt for photoelectric emittion is 230nm.what should be wavelength of light for maximum kinetic energy of 1.5 ev

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If value of threshold wavelengt for photoelectric emittion is 230nm.what should be wavelength of light for maximum kinetic energy of 1.5 ev

Deepak 2nd Sep, 2019

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deepanshi_1560771933 Student Expert 2nd Sep, 2019

fo = 330 nm

work function = ?

work function = 6.626 x 10^-34 J s = 4.136 x 10^ -15 eVs

work function = (6.626 x 10^ -34 J s) * (3 x 10^ 8 m/s) / (330 x 10^ -9) m

The work function = 6.024 × 10 ^-19 joules

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Deepak

4th Sep, 2019

This is work function m looking for wavelength of light

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