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Below are some examples of the use of x-rays in medicine: Use Operating voltage 30 kV Electrode material Mammogram 100 kV Molybdenum Chest X-ray 6

Below are some examples of the use of x-rays in medicine: Use Operating voltage 30 kV Electrode material Mammogram 100 kV Molybdenum Chest X-ray 6 MV Tungsten Radiation therapy Tungsten (a) Explain the differences in the x-ray spectrum that would be produced in these examples (4 marks) (b) An x-ray photon has energy of 1.6 x 10-16 J. What frequency does this correspond to? (1 mark)

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