Chapter 18, Problem 68AE

Interpretation Introduction

Interpretation: The meaning of the term “critical mass” and the necessity to achieve a critical mass for sustaining a nuclear reaction is to be explained.

Concept introduction: Critical mass is the minimum amount of fissile material required for sustaining nuclear reactions. During the World War 2, different mechanisms were investigated for obtaining a supercritical mass of fissionable material.

To determine: The meaning of the term “critical mass” and the necessity to achieve a critical mass for sustaining a nuclear reaction.