In a nuclear reactor, chain reactions result from the release of

Assessment: WAEC SSCE - Physics - 2007 (Objective) Subject: Physics

Question 1 Report

In a nuclear reactor, chain reactions result from the release of
Answer Details
In a nuclear reactor, chain reactions result from the release of neutrons. A nuclear chain reaction occurs when a neutron collides with a nucleus of a fissile material, such as uranium-235 or plutonium-239, which then splits into two smaller nuclei, releasing energy in the form of heat and more neutrons. These newly released neutrons can then collide with other fissile nuclei, causing them to split and release more neutrons, which continue the chain reaction. This chain reaction is carefully controlled in a nuclear reactor to produce a steady supply of heat that is used to generate electricity.

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