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5.2.2a Alpha, beta and gamma emission

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Question 19

Three statements about alpha (α\alphaα) particles and beta (β\betaβ) particles are listed:

  1. The mass of an α\alphaα-particle is much larger than the mass of a β\betaβ-particle.
  2. The charge of an α\alphaα-particle is greater in magnitude than the charge of a β\betaβ-particle.
  3. An α\alphaα-particle travels at a speed closer to the speed of light than a β\betaβ-particle.

Which statements help to explain why α\alphaα-particles are much less penetrating (have a shorter range in air) than β\betaβ-particles?

A

1, 2 and 3

B

1 and 2 only

C

1 and 3 only

D

2 and 3 only

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5.2.2a Alpha, beta and gamma emission Questions

  1. IGCSE
  2. /Physics
  3. /5.2.2a Alpha, beta and gamma emission

134 exam-style questions on CIE IGCSE Physics 5.2.2a Alpha, beta and gamma emission. Each one has a worked solution and a mark scheme showing where the marks go.

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