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Atomic and Nuclear Physics
Quick questions on Radioactivity and types of emission explained: O-Level Physics
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is penetrating power?Show answer
The three types penetrate matter very differently:
What is ionising power?Show answer
Ionising power is the ability to knock electrons off atoms, creating ions. It runs in the opposite order to penetration:
What is q1?Show answer
State what alpha, beta, and gamma radiation each are. [3 marks]
What is q2?Show answer
State the material that stops each of alpha, beta, and gamma radiation. [3 marks]
What is q3?Show answer
Explain why alpha radiation is the most ionising but the least penetrating. [2 marks]
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