The material that contained in the airtight box which killed the man should be identified. Concept introduction: Unstable nuclei emit radiation spontaneously to become stable nuclei by losing energy. This process of emission of radiation by unstable nuclei is known as radioactive decay. These emitted radiations may be alpha radiations( α ), beta radiations( β ) or gamma radiations( γ ) These unstable nuclei are the nuclei with more than 83 protons and which do not lie within the belt of stability. To identify: The material that contained in the airtight box which killed the man

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Chapter 20, Problem 20.84QP

Interpretation Introduction

Interpretation:

The material that contained in the airtight box which killed the man should be identified.

Concept introduction:

Unstable nuclei emit radiation spontaneously to become stable nuclei by losing energy. This process of emission of radiation by unstable nuclei is known as radioactive decay.

These emitted radiations may be alpha radiations( α ), beta radiations( β ) or gamma radiations( γ )

These unstable nuclei are the nuclei with more than 83 protons and which do not lie within the belt of stability.

To identify:

The material that contained in the airtight box which killed the man

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