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Photon having wavelength 12.4nm was allo...

Photon having wavelength `12.4nm` was allowed to strike a metal plate having work function `25eV`.Calculate the-
(a) Maximum kinetic energy of photoelectrons emitted in eV.
(b) Wavelength of electron with maximum kinetic energy in `A^(@)`.
(c ) Calculate the uncertainity in wavelength of emitted electron, if the uncertainity in the momentum is `6.62xx10^(20)kg m//sec`

Text Solution

Verified by Experts

The correct Answer is:
`(a) 75eV;(b)1.414A^(@);(c )2xx10^(-14)m`
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