Question

Burning of wood is an example of conversion of

• A. chemical energy to light and heat energy
• B. mechanical energy to heat energy
• C. heat energy to light energy
• D. light energy to heat energy

Answer 1

The correct option is A

chemical energy to light and heat energy

Correct answer is - Option(A)

Explanation for correct option-

1. While burning wood, the chemical energy in the wood is released as heat because of the chemical reaction of wood and oxygen. This type of chemical reaction is called combustion and it requires oxygen.
2. Combustion converts the stored chemical energy in the wood into heat and light energy.