Fact 1: Alight bulb converts electrical energy into light energy when it is turned on.

Fact 2: Light is a form of radiant energy.

Given the two facts above, answer the question "a bulb converts what into radiant energy when turned on" with the following options: 
- sun's heat
 - adding heat
 - electrical energy
 - peachleaf willow
 - electrically
 - an electron lens
 - our nearest star
 - hydrogen and oxygen


 

   electrical energy      