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Physics · Oct / Nov 2016 · Paper 11 · Question 28

5054Electromagnetic spectrum

Which two types of electromagnetic radiation are both used to kill cancerous cells and are both used to detect cracks in metals?

  1. Agamma-rays and microwaves
  2. Bgamma-rays and X-rays
  3. Cmicrowaves and ultra-violet radiation
  4. Dultra-violet radiation and X-rays

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Correct answer: B. gamma-rays and X-rays

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