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Radioactivity

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Question 13

The table below details the nature of alpha ( $α\alpha$ ) particles and beta-minus ( $β−\beta^-$ ) particles:

Radiation Type	Nature
Alpha ( $α\alpha$ )	Helium nucleus
Beta-minus ( $β−\beta^-$ )	High-speed electron

Explain, in terms of their physical properties and interactions with matter, why alpha particles and beta-minus particles have different ionizing and penetrating powers.

[5]

Markscheme

Radioactivity Questions

IGCSE
Physics
Radioactivity

65 exam-style questions on Edexcel IGCSE Physics Radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.

Radioactivity

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Radioactivity

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

Question 13

The table below details the nature of alpha ( $α\alpha$ ) particles and beta-minus ( $β−\beta^-$ ) particles:

Radiation Type	Nature
Alpha ( $α\alpha$ )	Helium nucleus
Beta-minus ( $β−\beta^-$ )	High-speed electron

Explain, in terms of their physical properties and interactions with matter, why alpha particles and beta-minus particles have different ionizing and penetrating powers.

[5]

Markscheme

Radioactivity Questions

IGCSE
Physics
Radioactivity

65 exam-style questions on Edexcel IGCSE Physics Radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.