WAEC Physics 2024 Objective — Question 39

Question 39 of 50 from the West African Examinations Council (WAEC) Physics 2024 Objective paper, with the correct answer and a full explanation.

39. The correct sequence of ionization power of alpha particle, gamma ray and beta particle respectively is A.

A. low, medium, high.
B. high, medium, low.
C. medium, low, high.
D. high, low, medium.Correct

Explanation

Gamma has the highest penetration power while alpha has the lowest. In terms of ionization power, alpha particle ranks first while gamma ray ranks last, i.e. alpha greater than beta greater than gamma.

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