Aprism is used for refracting light, and prism A prism is a solid geometric shape. Given these facts, what is used for refracting light among the following options:
- barrel-shaped
 - fissures of hot, acidic water
 - an electron lens
 - focusing a lens
 - degrees Celsius
 - Electrical energy
 - A solid geometric shape
 - A Greek letter


 

       A solid geometric shape  