Which of the following have the greatest penetrating power?

Assessment: WAEC SSCE - Physics - 1993 (Objective) Subject: Physics

Question 1 Report

Which of the following have the greatest penetrating power?
Answer Details
Gamma rays have the greatest penetrating power. This is because they have high energy and no charge, which allows them to penetrate most materials with ease. Alpha particles, on the other hand, have the least penetrating power due to their large size and positive charge. Beta particles and electrons have moderate penetrating power, while neutrons have low to moderate penetrating power depending on their energy level.

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