In a photoelectric effect experiment the threshold wavelength of light is 380 nm.
If the wavelength of incident light is 260 nm, the maximum kinetic energy of emitted
electrons will be:
Given E (in eV) =
1.5 eV
3.0 eV
4.5 eV
15.1eV
Conservation of energy -
- wherein
or
So,
Option 1)
1.5 eV
Option 2)
3.0 eV
Option 3)
4.5 eV
Option 4)
15.1eV
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