Fireworks on festival days is an example of which of the following?

Explosion

The correct answer is option 3. Explosion.

Fireworks on festival days involve a controlled and planned release of energy in the form of an explosion. An explosion is a sudden and violent release of energy, often accompanied by a rapid expansion of gases, creating a shockwave and generating light and sound. Fireworks are designed to undergo controlled explosions to produce colorful visual displays and audible effects.

In summary, fireworks on festival days demonstrate controlled explosions designed for entertainment purposes. The carefully orchestrated release of energy results in visually stunning displays of light and color, accompanied by the characteristic sounds of celebration.