JAMB Mathematics 2022 Objective — Question 29
Question 29 of 41 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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Gamma rays have the highest penetration power but the lowest ionising power. Alpha particles have the highest ionising power but the lowest penetration power. Which has the lowest ionisation power?
- A. α-particles
- B. β-rays
- C. γ-raysCorrect
- D. X-rays
Explanation
Ionising power: α > β > γ (X-rays). Gamma rays have the lowest ionising power but the highest penetrating power.
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