Other questions in this quiz

2. why is it vital to calculate the correct dose?

  • too much of it could kill healthy cells
  • so that there is no waste
  • so that it doesn't run out fast
  • the amount of money spent will cover the right amount needed

3. what does refractive index mean

  • how much light is refracted
  • how much light is reflected
  • how much light stays the same
  • how much light is in the refractive index

4. define critical angle

  • the smallest possible angle of incidence for total internal refraction to occur
  • the smallest possible angle of incidence for total internal reflection to occur
  • the biggest possible angle of incidence for total internal reflection to occur
  • the biggest possible angle of incidence for total internal refraction to occur

5. why is cobalt-60 suitable to use outside the body

  • it is less ionising
  • can be controlled by the patient
  • it is the most penetrating and it will go through a lot of flesh/muscle
  • it is less penetrating which means that it will not harm flesh/muscle

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