A matchstick lights up due to heat created by friction.
How the friction creat heat?
How does a matchstick light up?
When an unlit matchstick is held near to an extremely hot Bunsen burner, the matchstick does not get hot enough to light up. However, if the air gap were to be replaced by a piece of copper rod, the matchstick lights up easily. Which of the following could explain the above observation?