Question

Which statement is an example of the law of conservation of energy?

1- A soccer ball eventually stops because its energy disappears.
2- When a light bulb is turned on, electrical energy is converted to light and heat.
3- An automobile engine burns gasoline to converts its chemical energy to electrical energy

Answer 1

Explanation:

When a light bulb is turned on, electrical energy is converted to light and heat.

Answer 2

Answer:

option 2 is correct

because energy is converted to light and heat energy ..thus total energy remains conserved