A photon having 40 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain?
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A photon having 40 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain?
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- A certain X-ray machine generates X-rays from a beam of electrons accelerated from zero to 99.9999999 per cent the speed of light in a long linear accelerator of length 3.2 km. The electrons are generated in pulses of duration ∆t = 100 fs. The generated x-rays from the target are also short pulses (λ = 0.15 nm). What is the average power of the x-ray beam if it pulses 120 times per second and one x-ray pulse contains about a trillion photons (n = 1012). a) 16.0 W b) 1.6 W c) 0.16 W d) none of these.What is the maximum velocity of electrons ejected from a material by 61 nm photons, if they are bound to the material by 4.79 eV?A
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