Question

A matchstick lights when we strike it on a rough surface why give reason in easy language

Answer 1

This is cause due to friction as rubbing of two uneven or rough surface produces heat.

Answer 2

Hey.

Here is the answer.

A matchstick is has white phosphorus on it which needs very little heat to light.

As we strike or rub a matchstick on a rough surface we provide it sufficient heat due to friction and the phosphorus starts burning .

Thanks .