CAPE Physics Unit 2 · 2007 (Specimen) · Paper 1 · Question Q39
In an experiment to investigate photoelectricity a graph of stopping potential of photoelectrons is plotted against frequency of incident radiation. What is the MAXIMUM kinetic energy of photoelectrons emitted by photons with frequency f_A?
- (A)
hf_0 - (B)
hf_A - (C)
hf_0 - hf_A - (D)
hf_A - hf_0
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