Physics - Modern Physics - Radioactivity - Types of radiation - alpha, beta, gamma - Radiation Penetration Test
Interactive experiment. Left side: a radioactive source emitting all 3 types simultaneously (shown as colored streams - red for alpha, blue for beta, green for gamma). Right side: barriers that students can place in the path. Barriers available: (1) Sheet of paper, (2) Aluminum foil (few mm), (3) Le