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How much of the generated energy actually utilized for taking an X-Ray?(a) 0.1%(b) 1%(c) 10%(d) 100%I got this question during an interview.The above asked question is from X-Ray topic in chapter Diagnostic Investigation via Imaging Techniques of Clinical Science

Answer»

Right answer is (b) 1%

To explain I WOULD say: The X -Rays that are generated have a tendency to SCATTER. Thus, they are collimated. Also, the emitted X – Rays also strike against the metallic plate/radioactive material to produce more X – Rays. Also, energy is lost in the FORM of heat and light. Thus, effectively only 1% of the energy is used to produce X-Ray images.



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