Question

(a) An X-ray tube produces a continuous spectrum of radiation with its short wavelength end at 0.45 . What is the maximum energy of a photon in the radiation?
(b) From your answer to (a), guess what order of accelerating voltage(for electrons) is required in such a tube?

Medium

Solution

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(a)
maximum energy is

(b) Accelerating voltage provides energy to the electrons for producing X-rays. To get a X-rays of 27.6 keV, the incident electrons must possess at least of kinetic electric energy. Hence, an accelerating voltage of the order of 30 keV is required for producing X-rays.

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