​ please explain forest fire in detail (which happed due to rapid combusion)

Rapid combustion is a form of combustion, otherwise known as a fire, in which large amounts of heat and light energy are released, which often results in a flame. This is used in a form of machinery such as IC engines. Such a combustion is frequently called an explosion which create the problem of detonation.For eg.forest fire , large amount of heat and light are produced .combusion of LPG, a candle or a spirit lamp which produces heat and light instantly.