Physics · May / June 2016 · Paper 12 · Question 38
5054The three types of emission
Which states the three types of radiation emitted by radioactive isotopes in order of their ionising effect from highest to lowest?
- Aalpha-particles, beta-particles, gamma-rays
- Balpha-particles, gamma-rays, beta-particles
- Cbeta-particles, gamma-rays, alpha-particles
- Dgamma-rays, beta-particles, alpha-particles
As printed in the paper
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Correct answer: A. alpha-particles, beta-particles, gamma-rays
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