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Questions and Answers
Which type of radiation is characterized as being highly ionizing?
Which type of radiation is characterized as being highly ionizing?
- Cosmic rays
- Gamma rays
- Beta particles
- Alpha particles (correct)
What is the main method to stop beta particles?
What is the main method to stop beta particles?
- Aluminum (correct)
- Paper
- Air
- Lead
What happens during gamma decay at the nuclear level?
What happens during gamma decay at the nuclear level?
- Protons convert to neutrons
- Nucleus changes its composition
- Nucleus emits radiation without changing composition (correct)
- Protons and neutrons are destroyed
What type of radiation is NOT affected by electric or magnetic fields?
What type of radiation is NOT affected by electric or magnetic fields?
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Which radioactive source is a natural origin of background radiation?
Which radioactive source is a natural origin of background radiation?
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How can ionizing radiation affect living cells?
How can ionizing radiation affect living cells?
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What is the main difference between isotopes and unstable nuclei?
What is the main difference between isotopes and unstable nuclei?
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Why are nuclear radiations called ionizing radiations?
Why are nuclear radiations called ionizing radiations?
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What is the unit used to measure the amount of radioactivity given out by a substance?
What is the unit used to measure the amount of radioactivity given out by a substance?
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How do unstable nuclei become more stable?
How do unstable nuclei become more stable?
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What happens when a particle is released from the nucleus of an unstable atom?
What happens when a particle is released from the nucleus of an unstable atom?
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How is radioactive decay different from chemical or biological decay?
How is radioactive decay different from chemical or biological decay?
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