chemical energy into sound energy chemical energy into radiant energy electrical energy into nuclear energy electrical energy into mechanical energy
I gave my students this multiple choice question: Which best describes the transformation of energy in a flashlight?

Only one answer is correct among these 4 choices:
- chemical energy into sound energy
- chemical energy into radiant energy
- electrical energy into nuclear energy
- electrical energy into mechanical energy

Could you tell me which one is correct?

chemical energy into radiant energy