CAPE Physics Unit 2 · 2008 (Rest of Region) · Paper 1 · Question Q34

An aluminium surface having a work function of 6.7 \times 10^{-19}\text{ J} is illuminated with radiation of wavelength 250\text{ nm}. Calculate the maximum kinetic energy of the emitted photoelectrons.

1. (A)1.3 \times 10^{-19}\text{ J}
2. (B)6.7 \times 10^{-19}\text{ J}
3. (C)8.0 \times 10^{-19}\text{ J}
4. (D)1.5 \times 10^{-18}\text{ J}