You are presented with the question "A laser is used for producing what?" and the following answer choices: 
- an electron microscope
 - electromagnetic energy
 - heat is produced
 - chemical changes
 - Electrical energy
 - hydrogen and oxygen
 - activation energy
 - objects that have mass

Now knowing that alaser is used for producing light and light is the visible form of electromagnetic energy, choose the best answer.


 

  electromagnetic energy       