Which of the following correctly describes what happens when an atomic bomb expl

Question

Which of the following correctly describes what happens when an atomic bomb explodes? Small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. Large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result. Small pieces of fissionable material are brought together to form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion occur. Large pieces of fissionable matter are brought together quickly and form a body with a mass larger than the critical mass, the relative number of escaping neutrons decreases, and a chain reaction and explosion result.

Explanation / Answer

In an atomic bomb the following occurs,

Small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result.

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