Question: In the nuclear version of the photoelectric effect (called the photonuclear effect), a high-energy photon is absorbed by an atomic nucleus and a proton is

In the nuclear version of the photoelectric effect (called the photonuclear effect), a high-energy photon is absorbed by an atomic nucleus and a proton is freed from that nucleus. If the minimum energy needed to free a proton from a particular nucleus is 5.00 MeV,
(a) Determine the maximum (threshold) wavelength of light that can cause this.
(b) If a photon of half this wavelength is used instead, determine the kinetic energy of the ejected proton.

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