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From the many scenarios that I've seen, an emitted electron from a metallic surface by a photon with energy E will have a de Broglie wavelength of appoximately 1 nm or less (frequency is about 10^18 Hz), which is in the X-ray region.
It all depends on the energy that the initial photon/the kinetic energy of the electron. There is not necessarily a defined range. However, going through homework problems and examples from previous exams should give you an idea of the types of values that you will typically see.
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