Introduction to Radioactivity and Types of Radiation

The video tutorial explains radioactivity, focusing on three types of radiation: alpha particles, beta particles, and gamma rays. Alpha particles are strongly ionizing but not very penetrating, beta particles are moderately ionizing and more penetrating, while gamma rays are weakly ionizing but highly penetrating. The tutorial also covers the concept of radioactive activity, measured in becquerels, and provides an example calculation of decay rate.

Explain the nature of gamma rays and their ability to penetrate materials.

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What is the significance of measuring the activity of a radioactive source in becquerels?

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